r.in.ascii: msg typo

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@58685 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.in.ascii/main.c

@@ -76,7 +76,7 @@ int main(int argc, char *argv[])
     parm.input = G_define_standard_option(G_OPT_F_INPUT);
     parm.input->label =
 	_("Name of input file to be imported");
-    parm.input->description = _("-' for standard input");
+    parm.input->description = _("'-' for standard input");
 
     parm.output = G_define_standard_option(G_OPT_R_OUTPUT);