src: replace mkdir() with g_mkdir()

g_mkdir() provides portability to Windows platforms.
Reviewed-by: NPavel Hrdina <phrdina@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

src/util/virfile.c

@@ -3029,7 +3029,7 @@ virFileMakePathHelper(char *path, mode_t mode)
         *p = '/';
     }
 
-    if (mkdir(path, mode) < 0 && errno != EEXIST)
+    if (g_mkdir(path, mode) < 0 && errno != EEXIST)
         return -1;
 
     return 0;

tests/virlockspacetest.c

@@ -300,7 +300,7 @@ static int testLockSpaceResourceLockPath(const void *args G_GNUC_UNUSED)
     if (!(lockspace = virLockSpaceNew(NULL)))
         goto cleanup;
 
-    if (mkdir(LOCKSPACE_DIR, 0700) < 0)
+    if (g_mkdir(LOCKSPACE_DIR, 0700) < 0)
         goto cleanup;
 
     if (virLockSpaceCreateResource(lockspace, LOCKSPACE_DIR "/foo") < 0)