Merge pull request #312 from shreyasbharath/master_fix_integer_underflow

Fix unsigned integer underflow in UnityAssertEqualIntArray (Thanks @shreyasbharath )

src/unity.c

@@ -620,7 +620,7 @@ void UnityAssertEqualIntArray(UNITY_INTERNAL_PTR expected,
     if (UnityIsOneArrayNull(expected, actual, lineNumber, msg))
         UNITY_FAIL_AND_BAIL;
 
-    while (elements--)
+    while ((elements > 0) && elements--)
     {
         UNITY_INT expect_val;
         UNITY_INT actual_val;