Fixing problem in mag spectrum, return values were missing

include/ITAThirdOctaveMagnitudeSpectrum.h

@@ -159,6 +159,8 @@ public:
 			if( m_vfValues[ n ] != 0.0f )
 				return false;
 		}
+
+		return true;
 	};
 
 	inline bool IsZero() const
@@ -168,9 +170,9 @@ public:
 			if( m_vfValues[ n ] != -std::numeric_limits< float >::infinity() )
 				return false;
 		}
+
+		return true;
 	};
 };
 
-
-
 #endif // INCLUDE_WATCHER_ITA_THIRD_OCTAVE_MAGNITUDE_SPECTRUM