commit 947e69256d876469d3252cbcee490defdb9c4770
from: Marcel Rodrigues <marcelgmr@gmail.com>
date: Sun Jun 14 15:21:26 2015 UTC

Use cast to avoid comparison between signed & unsigned.

commit - 8912a8c0a703a02abae1ddae1345f4f839032d45
commit + 947e69256d876469d3252cbcee490defdb9c4770
blob - 1841a21f22691262cf57fc71ad05fe2cc5b4d7e8
blob + 9973b7a2ab982dda506154bcd8b06b64af554f20
--- rover.c
+++ rover.c
@@ -272,7 +272,7 @@ rover_get_wch(wint_t *wch)
 {
     wint_t ret;
 
-    while ((ret = get_wch(wch)) == ERR)
+    while ((ret = get_wch(wch)) == (wint_t) ERR)
         sync_signals();
     return ret;
 }