adding eol

indra/llui/llbutton.cpp

@@ -1168,4 +1168,4 @@ BOOL LLButton::handleDoubleClick(S32 x, S32 y, MASK mask)
 {
 	// just treat a double click as a second click
 	return handleMouseDown(x, y, mask);
-}
\ No newline at end of file
+}