remove the last of the windows W4 warnings

Utilities/cmlibarchive/libarchive/archive_write_disk_set_standard_lookup.c

@@ -237,7 +237,8 @@ hash(const char *p)
     unsigned g, h = 0;
     while (*p != '\0') {
         h = ( h << 4 ) + *p++;
-        if (( g = h & 0xF0000000 )) {
+        g = h & 0xF0000000;
+        if (g) {
             h ^= g >> 24;
             h &= 0x0FFFFFFF;
         }

Utilities/cmlibarchive/libarchive/archive_write_set_compression_bzip2.c

@@ -284,7 +284,8 @@ archive_compressor_bzip2_finish(struct archive_write *a)
         }
 
         /* Finish compression cycle. */
-        if ((ret = drive_compressor(a, state, 1)))
+        ret = drive_compressor(a, state, 1);
+        if (ret)
             goto cleanup;
 
         /* Optionally, pad the final compressed block. */