Fixed compiler warnings

warning: 'local_dval' may be used uninitialized in this function
[-Wmaybe-uninitialized]

warning: 'dval2' may be used uninitialized in this function
[-Wmaybe-uninitialized]

Author: laruence

Zend/zend_operators.c

@@ -2138,8 +2138,8 @@ ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2) /* {{{ */
 {
 	int ret1, ret2;
 	int oflow1, oflow2;
-	long lval1, lval2;
-	double dval1, dval2;
+	long lval1 = 0, lval2 = 0;
+	double dval1 = 0.0, dval2 = 0.0;
 
 	if ((ret1=is_numeric_string_ex(Z_STRVAL_P(s1), Z_STRLEN_P(s1), &lval1, &dval1, 0, &oflow1)) &&
 		(ret2=is_numeric_string_ex(Z_STRVAL_P(s2), Z_STRLEN_P(s2), &lval2, &dval2, 0, &oflow2))) {

Zend/zend_operators.h

@@ -132,7 +132,7 @@ static inline zend_uchar is_numeric_string_ex(const char *str, int length, long
 {
 	const char *ptr;
 	int base = 10, digits = 0, dp_or_e = 0;
-	double local_dval;
+	double local_dval = 0.0;
 	zend_uchar type;
 
 	if (!length) {