moved back update cycle constant looping override for static sources

--HG--
branch : minor

src/libraries/stb/stb_image.h

@@ -712,9 +712,14 @@ static int stbi__sse2_available()
 
 static int stbi__sse2_available()
 {
+/*
 #if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 408 // GCC 4.8 or later
    // GCC 4.8+ has a nice way to do this
    return __builtin_cpu_supports("sse2");
+*/
+#if defined(STBI__X64_TARGET)
+	// GCC 5 has this function buggy for a moment, but an x64 CPU can be assumed to have SSE2 anyway
+   return 1;
 #else
    // portable way to do this, preferably without using GCC inline ASM?
    // just bail for now.

src/modules/audio/openal/Source.cpp

@@ -280,7 +280,12 @@ bool Source::update()
 	switch (type)
 	{
 		case TYPE_STATIC:
+		{
+			// Looping mode could have changed.
+-			// FIXME: make looping mode change atomically so this is not needed
+			alSourcei(source, AL_LOOPING, isLooping() ? AL_TRUE : AL_FALSE);
 			return !isFinished();
+		}
 		case TYPE_STREAM:
 			if (!isFinished())
 			{