Fix a passel of recently-committed violations of the rule 'thou shalt

have no other gods before c.h'.  Also remove some demonstrably redundant
#include lines, mostly of <errno.h> which was added to c.h years ago.

contrib/tsearch2/common.c

@@ -1,6 +1,5 @@
 #include "postgres.h"
 
-#include "postgres.h"
 #include "fmgr.h"
 #include "catalog/pg_namespace.h"
 #include "catalog/pg_proc.h"

contrib/tsearch2/gendict/dict_snowball.c.IN

@@ -1,13 +1,10 @@
-/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_snowball.c.IN,v 1.4 2006/03/11 04:38:30 momjian Exp $ */
+/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_snowball.c.IN,v 1.5 2006/07/14 05:28:27 tgl Exp $ */
 
 /* 
  * example of Snowball dictionary
  * http://snowball.tartarus.org/ 
  * Teodor Sigaev <teodor@sigaev.ru>
  */
-#include <stdlib.h>
-#include <string.h>
-
 #include "postgres.h"
 
 #include "dict.h"

contrib/tsearch2/gendict/dict_tmpl.c.IN

@@ -1,13 +1,9 @@
-/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_tmpl.c.IN,v 1.5 2006/03/11 04:38:30 momjian Exp $ */
+/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_tmpl.c.IN,v 1.6 2006/07/14 05:28:27 tgl Exp $ */
 
 /* 
  * example of dictionary 
  * Teodor Sigaev <teodor@sigaev.ru>
  */
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-
 #include "postgres.h"
 
 #include "dict.h"

contrib/tsearch2/ispell/regis.c

@@ -1,7 +1,3 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 #include "regis.h"
 #include "ts_locale.h"
 #include "common.h"

contrib/tsearch2/ispell/spell.c

@@ -1,10 +1,7 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-
 #include "postgres.h"
 
+#include <ctype.h>
+
 #include "spell.h"
 #include "common.h"
 #include "ts_locale.h"

contrib/tsearch2/ispell/spell.h

@@ -1,10 +1,12 @@
 #ifndef __SPELL_H__
 #define __SPELL_H__
 
-#include <sys/types.h>
-#include "regex/regex.h"
 #include "c.h"
 
+#include <sys/types.h>
+
+#include "regex/regex.h"
+
 #include "regis.h"
 #include "dict.h"