r.clump: fix declaration of print_time() (fix https://trac.osgeo.org/grass/changeset/71255)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@71264 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.clump/local_proto.h

@@ -22,7 +22,7 @@
 /* clump.c */
 CELL clump(int *, int, int, int);
 CELL clump_n(int *, char **, int, double, int, int, int);
-int print_time(long *);
+int print_time(time_t *);
 
 /* minsize.c */
 int merge_small_clumps(int *in_fd, int nin, DCELL *rng,