Remove useless whitespace at end of lines

contrib/seg/expected/seg.out

@@ -924,7 +924,7 @@ SELECT '1'::seg <@ '-1 .. 1'::seg AS bool;
 (1 row)
 
 -- Load some example data and build the index
--- 
+--
 CREATE TABLE test_seg (s seg);
 \copy test_seg from 'data/test_seg.data'
 CREATE INDEX test_seg_ix ON test_seg USING gist (s);
@@ -934,7 +934,7 @@ SELECT count(*) FROM test_seg WHERE s @> '11..11.3';
    143
 (1 row)
 
--- Test sorting 
+-- Test sorting
 SELECT * FROM test_seg WHERE s @> '11..11.3' GROUP BY s;
         s        
 -----------------

contrib/seg/expected/seg_1.out

@@ -924,7 +924,7 @@ SELECT '1'::seg <@ '-1 .. 1'::seg AS bool;
 (1 row)
 
 -- Load some example data and build the index
--- 
+--
 CREATE TABLE test_seg (s seg);
 \copy test_seg from 'data/test_seg.data'
 CREATE INDEX test_seg_ix ON test_seg USING gist (s);
@@ -934,7 +934,7 @@ SELECT count(*) FROM test_seg WHERE s @> '11..11.3';
    143
 (1 row)
 
--- Test sorting 
+-- Test sorting
 SELECT * FROM test_seg WHERE s @> '11..11.3' GROUP BY s;
         s        
 -----------------

contrib/seg/seg.sql.in

@@ -4,7 +4,7 @@
 SET search_path = public;
 
 -- Create the user-defined type for 1-D floating point intervals (seg)
--- 
+--
 
 CREATE OR REPLACE FUNCTION seg_in(cstring)
 RETURNS seg
@@ -333,12 +333,12 @@ AS 'MODULE_PATHNAME'
 LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION gseg_compress(internal)
-RETURNS internal 
+RETURNS internal
 AS 'MODULE_PATHNAME'
 LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION gseg_decompress(internal)
-RETURNS internal 
+RETURNS internal
 AS 'MODULE_PATHNAME'
 LANGUAGE C IMMUTABLE STRICT;
 
@@ -353,12 +353,12 @@ AS 'MODULE_PATHNAME'
 LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION gseg_union(internal, internal)
-RETURNS seg 
+RETURNS seg
 AS 'MODULE_PATHNAME'
 LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION gseg_same(seg, seg, internal)
-RETURNS internal 
+RETURNS internal
 AS 'MODULE_PATHNAME'
 LANGUAGE C IMMUTABLE STRICT;
 
@@ -375,7 +375,7 @@ CREATE OPERATOR CLASS seg_ops
         FUNCTION        1       seg_cmp(seg, seg);
 
 CREATE OPERATOR CLASS gist_seg_ops
-DEFAULT FOR TYPE seg USING gist 
+DEFAULT FOR TYPE seg USING gist
 AS
 	OPERATOR	1	<< ,
 	OPERATOR	2	&< ,

contrib/seg/segparse.y

@@ -1,6 +1,6 @@
 %{
 #define YYPARSE_PARAM result  /* need this to pass a pointer (void *) to yyparse */
-  
+
 #include "postgres.h"
 
 #include <math.h>
@@ -23,7 +23,7 @@
   extern int seg_yylex(void);
 
   extern int significant_digits(char *str);		/* defined in seg.c */
-  
+
   void seg_yyerror(const char *message);
   int seg_yyparse(void *result);
 
@@ -126,7 +126,7 @@ boundary:
 			$$.sigd = significant_digits($1);
 			$$.val = val;
 	  }
-      | 
+      |
 	  EXTENSION SEGFLOAT {
 			/* temp variable avoids a gcc 3.3.x bug on Sparc64 */
 			float val = seg_atof($2);

contrib/seg/segscan.l

@@ -1,7 +1,7 @@
 %{
-/* 
-** A scanner for EMP-style numeric ranges 
-*/
+/*
+ * A scanner for EMP-style numeric ranges
+ */
 
 #include "postgres.h"
 

contrib/seg/sort-segments.pl

@@ -7,7 +7,7 @@ while (<>) {
   push @rows, $_;
 }
 
-foreach ( sort { 
+foreach ( sort {
   @ar = split("\t", $a);
   $valA = pop @ar;
   $valA =~ s/[~<> ]+//g;

contrib/seg/sql/seg.sql

@@ -213,7 +213,7 @@ SELECT '-1'::seg <@ '-1 .. 1'::seg AS bool;
 SELECT '1'::seg <@ '-1 .. 1'::seg AS bool;
 
 -- Load some example data and build the index
--- 
+--
 CREATE TABLE test_seg (s seg);
 
 \copy test_seg from 'data/test_seg.data'
@@ -221,7 +221,7 @@ CREATE TABLE test_seg (s seg);
 CREATE INDEX test_seg_ix ON test_seg USING gist (s);
 SELECT count(*) FROM test_seg WHERE s @> '11..11.3';
 
--- Test sorting 
+-- Test sorting
 SELECT * FROM test_seg WHERE s @> '11..11.3' GROUP BY s;
 
 -- Test functions