- Removed unused variables

ext/gd/gd.c

@@ -3267,7 +3267,6 @@ PHP_FUNCTION(imagecolorsforindex)
 PHP_FUNCTION(imagegammacorrect)
 {
 	zval *IM;
-	double inputgamma, outputgamma;
 	gdImagePtr im;
 	int i;
 	double input, output;
@@ -4721,7 +4720,6 @@ static void _php_image_convert(INTERNAL_FUNCTION_PARAMETERS, int image_type )
 	char *fn_org = NULL;
 	char *fn_dest = NULL;
 	FILE *org, *dest;
-	int argc = ZEND_NUM_ARGS();
 	int dest_height = -1;
 	int dest_width = -1;
 	int org_height, org_width;

ext/standard/type.c

@@ -92,7 +92,6 @@ PHP_FUNCTION(settype)
 {
 	zval **var;
 	char *type;
-	char *new_type;
 	int type_len = 0;
 
 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zs", &var, &type, &type_len) == FAILURE) {