* dvblast.c: getopt() returns int rather than (possibly unsigned) char.

dvblast.c

@@ -211,14 +211,14 @@ int main( int i_argc, char **pp_argv )
 {
     struct sched_param param;
     int i_error;
-    char c;
+    int c;
 
     if ( i_argc == 1 )
         usage();
 
     msg_Warn( NULL, "restarting" );
 
-    while ( ( c = getopt(i_argc, pp_argv, "q::c:r:t:o:i:a:n:f:s:v:pb:m:uUTd:eh")) != (char)EOF )
+    while ( ( c = getopt(i_argc, pp_argv, "q::c:r:t:o:i:a:n:f:s:v:pb:m:uUTd:eh")) != (int)EOF )
     {
         switch ( c )
         {