fix: MurmurHash3: MurmurHash3_x86_128: type needs to be unsigned for

shift to be defined

src/OVAL/probes/SEAP/MurmurHash3.c:236:27: runtime error: left shift of 255 by 24 places cannot be represented in type int

Author: maage

src/OVAL/probes/SEAP/MurmurHash3.c

@@ -216,27 +216,27 @@ void MurmurHash3_x86_128 ( const void * key, const int len,
 #endif
   switch(len & 15)
   {
-  case 15: k4 ^= tail[14] << 16;
-  case 14: k4 ^= tail[13] << 8;
-  case 13: k4 ^= tail[12] << 0;
+  case 15: k4 ^= (uint32_t)tail[14] << 16;
+  case 14: k4 ^= (uint32_t)tail[13] << 8;
+  case 13: k4 ^= (uint32_t)tail[12] << 0;
            k4 *= c4; k4  = ROTL32(k4,18); k4 *= c1; h4 ^= k4;
 
-  case 12: k3 ^= tail[11] << 24;
-  case 11: k3 ^= tail[10] << 16;
-  case 10: k3 ^= tail[ 9] << 8;
-  case  9: k3 ^= tail[ 8] << 0;
+  case 12: k3 ^= (uint32_t)tail[11] << 24;
+  case 11: k3 ^= (uint32_t)tail[10] << 16;
+  case 10: k3 ^= (uint32_t)tail[ 9] << 8;
+  case  9: k3 ^= (uint32_t)tail[ 8] << 0;
            k3 *= c3; k3  = ROTL32(k3,17); k3 *= c4; h3 ^= k3;
 
-  case  8: k2 ^= tail[ 7] << 24;
-  case  7: k2 ^= tail[ 6] << 16;
-  case  6: k2 ^= tail[ 5] << 8;
-  case  5: k2 ^= tail[ 4] << 0;
+  case  8: k2 ^= (uint32_t)tail[ 7] << 24;
+  case  7: k2 ^= (uint32_t)tail[ 6] << 16;
+  case  6: k2 ^= (uint32_t)tail[ 5] << 8;
+  case  5: k2 ^= (uint32_t)tail[ 4] << 0;
            k2 *= c2; k2  = ROTL32(k2,16); k2 *= c3; h2 ^= k2;
 
-  case  4: k1 ^= tail[ 3] << 24;
-  case  3: k1 ^= tail[ 2] << 16;
-  case  2: k1 ^= tail[ 1] << 8;
-  case  1: k1 ^= tail[ 0] << 0;
+  case  4: k1 ^= (uint32_t)tail[ 3] << 24;
+  case  3: k1 ^= (uint32_t)tail[ 2] << 16;
+  case  2: k1 ^= (uint32_t)tail[ 1] << 8;
+  case  1: k1 ^= (uint32_t)tail[ 0] << 0;
            k1 *= c1; k1  = ROTL32(k1,15); k1 *= c2; h1 ^= k1;
   };
 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)