fix a few compiler warnings (mostly use of unitialized values)

ext/openssl/xp_ssl.c

@@ -490,8 +490,8 @@ static inline int php_openssl_enable_crypto(php_stream *stream,
 										zend_list_insert(mycert,
 											php_openssl_get_x509_list_id()));
 								add_next_index_zval(arr, zcert);
-							}
 								efree(zcert);
+							}
 
 						} else {
 							ZVAL_NULL(arr);

ext/standard/var_unserializer.c

@@ -1,4 +1,4 @@
-/* Generated by re2c 0.12.1 on Mon Aug  6 21:32:14 2007 */
+/* Generated by re2c 0.12.0 on Sat Sep 29 11:44:15 2007 */
 #line 1 "ext/standard/var_unserializer.re"
 /*
   +----------------------------------------------------------------------+
@@ -334,7 +334,7 @@ static inline int object_custom(UNSERIALIZE_PARAMETER, zend_class_entry *ce)
 	(*p) += 2;
 
 	if (datalen < 0 || (*p) + datalen >= max) {
-		zend_error(E_WARNING, "Insufficient data for unserializing - %ld required, %ld present", datalen, max - (*p));
+		zend_error(E_WARNING, "Insufficient data for unserializing - %ld required, %ld present", datalen, (long)(max - (*p)));
 		return 0;
 	}
 

ext/standard/var_unserializer.re

@@ -338,7 +338,7 @@ static inline int object_custom(UNSERIALIZE_PARAMETER, zend_class_entry *ce)
 	(*p) += 2;
 
 	if (datalen < 0 || (*p) + datalen >= max) {
-		zend_error(E_WARNING, "Insufficient data for unserializing - %ld required, %ld present", datalen, max - (*p));
+		zend_error(E_WARNING, "Insufficient data for unserializing - %ld required, %ld present", datalen, (long)(max - (*p)));
 		return 0;
 	}
 

main/php_variables.c

@@ -130,11 +130,12 @@ PHPAPI void php_register_variable_ex(char *var, zval *val, zval *track_vars_arra
 
 				if (track_vars_array) {
 					ht = Z_ARRVAL_P(track_vars_array);
+					zend_hash_del(ht, var, var_len + 1);
 				} else if (PG(register_globals)) {
 					ht = EG(active_symbol_table);
+					zend_hash_del(ht, var, var_len + 1);
 				}
 
-				zend_hash_del(ht, var, var_len + 1);
 				zval_dtor(val);
 
 				/* do not output the error message to the screen,

sapi/cli/php_cli_readline.c

@@ -362,7 +362,7 @@ TODO:
 
 - future: respect scope ("php > function foo() { $[tab]" should only expand to local variables...)
 */
-	char *retval;
+	char *retval = NULL;
 	int textlen = strlen(text);
 	TSRMLS_FETCH();