Make the order of the header file includes consistent.

Similar to commits 14aec03502, 7e735035f2 and dddf4cdc33, this commit
makes the order of header file inclusion consistent in more places.

Author: Vignesh C
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/CALDaNm2Sznv8RR6Ex-iJO6xAdsxgWhCoETkaYX=+9DW3q0QCfA@mail.gmail.com

src/interfaces/ecpg/ecpglib/descriptor.c

@@ -12,9 +12,9 @@
 #include "ecpglib.h"
 #include "ecpglib_extern.h"
 #include "ecpgtype.h"
+#include "sql3types.h"
 #include "sqlca.h"
 #include "sqlda.h"
-#include "sql3types.h"
 
 static void descriptor_free(struct descriptor *desc);
 

src/interfaces/ecpg/ecpglib/ecpglib_extern.h

@@ -3,12 +3,12 @@
 #ifndef _ECPG_ECPGLIB_EXTERN_H
 #define _ECPG_ECPGLIB_EXTERN_H
 
-#include "libpq-fe.h"
-#include "sqlca.h"
-#include "sqlda-native.h"
-#include "sqlda-compat.h"
 #include "ecpg_config.h"
 #include "ecpgtype.h"
+#include "libpq-fe.h"
+#include "sqlca.h"
+#include "sqlda-compat.h"
+#include "sqlda-native.h"
 
 #ifndef CHAR_BIT
 #include <limits.h>

src/interfaces/ecpg/ecpglib/misc.c

@@ -11,11 +11,11 @@
 #include "ecpglib.h"
 #include "ecpglib_extern.h"
 #include "ecpgtype.h"
+#include "pg_config_paths.h"
 #include "pgtypes_date.h"
 #include "pgtypes_interval.h"
 #include "pgtypes_numeric.h"
 #include "pgtypes_timestamp.h"
-#include "pg_config_paths.h"
 #include "sqlca.h"
 
 #ifndef LONG_LONG_MIN

src/interfaces/ecpg/include/ecpglib.h

@@ -7,11 +7,12 @@
 #ifndef _ECPGLIB_H
 #define _ECPGLIB_H
 
-#include "libpq-fe.h"
+#include <string.h>
+
 #include "ecpg_config.h"
 #include "ecpgtype.h"
+#include "libpq-fe.h"
 #include "sqlca.h"
-#include <string.h>
 
 /*
  * This is a small extract from c.h since we don't want to leak all postgres

src/interfaces/ecpg/preproc/preproc_extern.h

@@ -3,9 +3,8 @@
 #ifndef _ECPG_PREPROC_EXTERN_H
 #define _ECPG_PREPROC_EXTERN_H
 
-#include "type.h"
-
 #include "common/keywords.h"
+#include "type.h"
 
 #ifndef CHAR_BIT
 #include <limits.h>