Fix whitespace

src/bin/pg_ctl/pg_ctl.c

@@ -383,7 +383,7 @@ free_readfile(char **optlines)
 
 	while (optlines[i++])
 		free(optlines[i]);
-	
+
 	free(optlines);
 
 	return;

src/interfaces/ecpg/preproc/variable.c

@@ -456,7 +456,7 @@ dump_variables(struct arguments * list, int mode)
 	/* Then release the list element. */
 	if (mode != 0)
 		free(list);
-	
+
 	free(str_zero);
 }
 

src/interfaces/libpq/fe-exec.c

@@ -2760,7 +2760,7 @@ PQfnumber(const PGresult *res, const char *field_name)
 		for (i = 0; i < res->numAttributes; i++)
 			if (strcmp(field_name, res->attDescs[i].name) == 0)
 				return i;
-	
+
 	/* Fall through to the normal check if that didn't work out. */
 
 	/*

src/test/regress/pg_regress.c

@@ -1159,7 +1159,7 @@ get_alternative_expectfile(const char *expectfile, int i)
 
 	if (!(tmp = (char*) malloc(ssize)))
 		return NULL;
-	
+
 	if (!(s = (char*) malloc(ssize)))
 	{
 		free(tmp);