util-linux/mkswap.c: fix warning

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c
index 226831bba4f3cbd6a44aa0f9dae904ae8d3bdd88..2f7827d6fa6d53b0f0f62b9a117cfed2dd1d4481 100644 (file)
--- a/util-linux/mkswap.c
+++ b/util-linux/mkswap.c
@@ -112,19 +112,19 @@ int mkswap_main(int argc, char **argv)
        // Make a header. hdr is zero-filled so far...
        hdr[0] = 1;
        hdr[1] = (len / pagesize) - 1;
-#if ENABLE_FEATURE_MKSWAP_UUID
-       char uuid_string[32];
-       generate_uuid((void*) &hdr[3]);
-       bin2hex(uuid_string, (void*) &hdr[3], 16);
-       /* f.e. UUID=dfd9c173-be52-4d27-99a5-c34c6c2ff55f */
-       printf("UUID=%.8s"  "-%.4s-%.4s-%.4s-%.12s\n",
-               uuid_string,
-               uuid_string+8,
-               uuid_string+8+4,
-               uuid_string+8+4+4,
-               uuid_string+8+4+4+4
-       );
-#endif
+       if (ENABLE_FEATURE_MKSWAP_UUID) {
+               char uuid_string[32];
+               generate_uuid((void*) &hdr[3]);
+               bin2hex(uuid_string, (void*) &hdr[3], 16);
+               /* f.e. UUID=dfd9c173-be52-4d27-99a5-c34c6c2ff55f */
+               printf("UUID=%.8s"  "-%.4s-%.4s-%.4s-%.12s\n",
+                       uuid_string,
+                       uuid_string+8,
+                       uuid_string+8+4,
+                       uuid_string+8+4+4,
+                       uuid_string+8+4+4+4
+               );
+       }
 
        // Write the header.  Sync to disk because some kernel versions check
        // signature on disk (not in cache) during swapon.