Add newline to the end of the umbrella header

Author: tonyarnold

Expecta/Expecta.h

@@ -12,4 +12,4 @@ FOUNDATION_EXPORT const unsigned char ExpectaVersionString[];
 
 // Enable shorthand by default
 #define expect(...) EXP_expect((__VA_ARGS__))
-#define failure(...) EXP_failure((__VA_ARGS__))
+#define failure(...) EXP_failure((__VA_ARGS__))