Unify some similar messages to ease translating

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@69829 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.fft/main.c

@@ -197,7 +197,7 @@ int main(int argc, char *argv[])
     /* Release memory resources */
     G_free(data);
 
-    G_done_msg(_(" "));
+    G_done_msg(_("FFT is now complete"));
 
     exit(EXIT_SUCCESS);
 }

raster/r.out.ppm3/main.c

@@ -157,7 +157,7 @@ int main(int argc, char **argv)
     /* max intensity val */
     fprintf(fp, "255\n");
 
-    G_message(_("Converting ... "));
+    G_message(_("Converting... "));
 
     for (row = 0; row < w.rows; row++) {
 	G_percent(row, w.rows, 5);

raster/r.texture/main.c

@@ -327,7 +327,7 @@ int main(int argc, char *argv[])
 	G_message(n_("Calculating %d texture measure", 
         "Calculating %d texture measures", n_measures), n_measures);
     else
-	G_message(_("Calculating %s"), menu[measure_idx[0]].desc);
+	G_message(_("Calculating %s..."), menu[measure_idx[0]].desc);
     alloc_vars(size, dist);
     for (row = first_row; row < last_row; row++) {
 	G_percent(row, nrows, 2);