Fixed a couple of compiler warnings in minor branch

--HG--
branch : minor

src/modules/graphics/opengl/Font.cpp

@@ -265,6 +265,7 @@ namespace opengl
 	bool Font::loadVolatile()
 	{
 		createTexture();
+		return true;
 	}
 
 	void Font::unloadVolatile()

src/modules/thread/sdl/Thread.cpp

@@ -118,7 +118,7 @@ namespace sdl
 	}
 
 	ThreadData::ThreadData(const char *name, size_t len, const char *code, void *mutex, void *cond)
-		: mutex(mutex), cond(cond), len(len)
+		: len(len), mutex(mutex), cond(cond)
 	{
 		this->name = new char[len+1];
 		memset(this->name, 0, len+1);

src/modules/thread/sdl/wrap_Thread.cpp

@@ -285,7 +285,6 @@ namespace sdl
 			luax_convobj(L, 2, "filesystem", "newFile");
 		if (luax_istype(L, 2, FILESYSTEM_FILE_T))
 		{
-			Data * d;
 			try {
 				data = luax_checktype<love::filesystem::File>(L, 2, "File", FILESYSTEM_FILE_T)->read();
 			} catch (love::Exception & e) {