Fix unused function warnings

v2: Remove the handler function instead of commenting out
    split debugmsg function removal to a separate patch

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>

tests/drmstat.c

@@ -82,11 +82,6 @@ static void getversion(int fd)
     }
 }
 
-void handler(int fd, void *oldctx, void *newctx)
-{
-    printf("Got fd %d\n", fd);
-}
-
 static void process_sigio(char *device)
 {
     int              fd;
@@ -97,7 +92,6 @@ static void process_sigio(char *device)
     }
 
     sigio_fd = fd;
-    /*  drmInstallSIGIOHandler(fd, handler); */
     for (;;) sleep(60);
 }
 
@@ -427,11 +421,4 @@ int main(int argc, char **argv)
     return r; 
 }
 
-void DRM_PRINTFLIKE(4, 0)
-xf86VDrvMsgVerb(int scrnIndex, int type, int verb, const char *format,
-                va_list args)
-{
-	vfprintf(stderr, format, args);
-}
-
 int xf86ConfigDRI[10];

xf86drm.c

@@ -277,6 +277,7 @@ static int drmMatchBusID(const char *id1, const char *id2, int pci_domain_ok)
  * If any other failure happened then it will output error mesage using
  * drmMsg() call.
  */
+#if !defined(UDEV)
 static int chown_check_return(const char *path, uid_t owner, gid_t group)
 {
 	int rv;
@@ -292,6 +293,7 @@ static int chown_check_return(const char *path, uid_t owner, gid_t group)
 			path, errno, strerror(errno));
 	return -1;
 }
+#endif
 
 /**
  * Open the DRM device, creating it if necessary.