MFH: fix parameter parsing in getrusage()

README.UPDATE_5_2

@@ -173,6 +173,14 @@ Items from the NEWS file explained
   you to fine-grain the levels of the messages stored.
 
 
+==============================
+Backwards incompatible changes
+==============================
+
+In the PHP core
+===============
+getrusage() will return NULL when passed incompatible arguments
+
 ==================
 NEW ERROR MESSAGES
 ==================

ext/standard/microtime.c

@@ -115,7 +115,11 @@ PHP_FUNCTION(getrusage)
 	long pwho = 0;
 	int who = RUSAGE_SELF;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &pwho) != FAILURE && pwho == 1) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &pwho) == FAILURE) {
+		return;
+	}
+	
+	if (pwho == 1) {
 		who = RUSAGE_CHILDREN;
 	}