Removed unsigned/signed mismatches.

src/interfaces/ecpg/compatlib/informix.c

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/compatlib/informix.c,v 1.57 2009/01/15 11:52:54 petere Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/compatlib/informix.c,v 1.58 2009/05/20 16:49:23 meskes Exp $ */
 
 #define POSTGRES_ECPG_INTERNAL
 #include "postgres_fe.h"
@@ -151,7 +151,7 @@ static char *
 ecpg_strndup(const char *str, size_t len)
 {
 	int			real_len = strlen(str);
-	int			use_len = (real_len > len) ? len : real_len;
+	int			use_len = (real_len > len) ? (int)len : real_len;
 
 	char	   *new = malloc(use_len + 1);
 

src/interfaces/ecpg/ecpglib/execute.c

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.83 2009/05/20 16:13:18 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.84 2009/05/20 16:49:23 meskes Exp $ */
 
 /*
  * The aim is to get a simpler inteface to the database routines.
@@ -759,7 +759,7 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
 			case ECPGt_unsigned_char:
 				{
 					/* set slen to string length if type is char * */
-					int			slen = (var->varcharsize == 0) ? strlen((char *) var->value) : var->varcharsize;
+					int			slen = (var->varcharsize == 0) ? strlen((char *) var->value) : (unsigned int)var->varcharsize;
 
 					if (!(newcopy = ecpg_alloc(slen + 1, lineno)))
 						return false;

src/interfaces/ecpg/pgtypeslib/datetime.c

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/datetime.c,v 1.36 2009/05/20 16:13:18 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/datetime.c,v 1.37 2009/05/20 16:49:23 meskes Exp $ */
 
 #include "postgres_fe.h"
 
@@ -347,7 +347,7 @@ PGTYPESdate_defmt_asc(date * d, char *fmt, char *str)
 	char	   *fmt_ystart,
 			   *fmt_mstart,
 			   *fmt_dstart;
-	int			i;
+	unsigned int	i;
 	int			reading_digit;
 	int			token_count;
 	char	   *str_copy;

src/interfaces/ecpg/pgtypeslib/dt_common.c

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/dt_common.c,v 1.49 2009/05/20 16:13:18 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/dt_common.c,v 1.50 2009/05/20 16:49:23 meskes Exp $ */
 
 #include "postgres_fe.h"
 
@@ -2583,7 +2583,7 @@ PGTYPEStimestamp_defmt_scan(char **str, char *fmt, timestamp * d,
 			*pfmt,
 			*tmp;
 	int		err = 1;
-	int	j;
+	unsigned int	j;
 	struct tm	tm;
 
 	pfmt = fmt;