Fix compile failure from yesterday

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@4761 9d0c8265-081b-0410-96cb-a4ca84ce46f8

1 files changed, 1 insertions, 1 deletions

diff --git a/converter/other/pnmtorle.c b/converter/other/pnmtorle.c
index 0c256311..a75ab218 100644
--- a/converter/other/pnmtorle.c
+++ b/converter/other/pnmtorle.c
@@ -334,7 +334,7 @@ skipData(FILE      *  const ifP,
 
 
 int
-main(int argc, char ** argv) {
+main(int argc, const char ** argv) {
 
     struct CmdlineInfo cmdline;