Merge pull request #5023 from rgommers/fix-warnings

Fix two compiler warnings in `memory.c`

driver/others/memory.c

@@ -2538,7 +2538,7 @@ static void *alloc_shm(void *address){
 }
 #endif
 
-#if defined OS_LINUX  || defined OS_AIX  || defined __sun__  || defined OS_WINDOWS
+#if ((defined ALLOC_HUGETLB) && (defined OS_LINUX  || defined OS_AIX  || defined __sun__  || defined OS_WINDOWS))
 
 static void alloc_hugetlb_free(struct release_t *release){
 
@@ -3254,7 +3254,7 @@ void blas_shutdown(void){
 #endif
       newmemory[pos].lock   = 0;
     }
-    free(newmemory);
+    free((void*)newmemory);
     newmemory = NULL;
     memory_overflowed = 0;  
   }