Use correct int return type for stream input operations

This makes it safe to compare results to -1 to indicate EOF,
regardless of whether char is considered signed or unsigned;
and so eliminates compiler warnings on platforms such as ARM.

Fixes bug #2058.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/query.h b/src/query.h
index f7d48d32..3297cbd6 100644
--- a/src/query.h
+++ b/src/query.h
@@ -191,8 +191,7 @@ public:
 #endif
       }
 
-      void unexpected();
-      void expected(char wanted, char c = '\0');
+      void expected(char wanted);
     };
 
     token_t token_cache;