REVIEWED: External libraries sdefl and sinfl to address #5367

Author: raysan5

src/external/sdefl.h

@@ -198,7 +198,7 @@ extern int zsdeflate(struct sdefl *s, void *o, const void *i, int n, int lvl);
 static int
 sdefl_ilog2(int n) {
   if (!n) return 0;
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && !defined(__llvm__) && !defined(__INTEL_COMPILER)   // @raysan5, address PR #5367
   unsigned long msbp = 0;
   _BitScanReverse(&msbp, (unsigned long)n);
   return (int)msbp;

src/external/sinfl.h

@@ -171,7 +171,7 @@ extern int zsinflate(void *out, int cap, const void *in, int size);
 
 static int
 sinfl_bsr(unsigned n) {
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && !defined(__llvm__) && !defined(__INTEL_COMPILER)   // @raysan5, address PR #5367
   unsigned long uln = 0;
   _BitScanReverse(&uln, n);
   return (int)(uln);