Fix range bounds check being set up wrongly in shader debug. Refs #143

* The offset is independent of checking the index against the number
  of elements in the view. Otherwise e.g. offset=5 and numelems=1 would
  never be in bounds.

renderdoc/driver/shaders/dxbc/dxbc_debug.cpp

@@ -2255,7 +2255,7 @@ State State::GetNext(GlobalState &global, State quad[4]) const
 			}
 
 			if(!data ||
-				 (!texData && offset + elemIdx >= numElems) ||
+				 (!texData && elemIdx >= numElems) ||
 				 (texData && texOffset >= global.uavs[resIndex].data.size())
 				)
 			{