Removed "Fatal" from error messages

BUG=chromium-os:36116
TEST=boot system, made sure Fatal message doesn't appear in /var/log/messages

Change-Id: I922ee30cceb01482ea838ef5ba3e35298671dbad
Reviewed-on: https://gerrit.chromium.org/gerrit/37665
Tested-by: Paul Taysom <taysom@chromium.org>
Reviewed-by: Luigi Semenzato <semenzato@chromium.org>
Commit-Ready: Paul Taysom <taysom@chromium.org>
diff --git a/bootcache.c b/bootcache.c
index 5abcc95..c93eec8 100644
--- a/bootcache.c
+++ b/bootcache.c
@@ -98,7 +98,11 @@
 #define PRx(_x) printf("|%s<%d> %s %llx\n", __FUNCTION__, __LINE__, \
 			# _x, (unsigned long long)(_x));
 
-/* pr_fatal: print error message and exit */
+/*
+ * pr_fatal:  Because bootcache is not critical to
+ * the running of the system, we only print what
+ * happened and exit.
+ */
 static void pr_fatal(
 	const char *file,
 	const char *func,
@@ -112,7 +116,7 @@
 	int r;
 
 	fflush(stdout);
-	r = snprintf(msg, n, "Fatal %s %s:%s<%d> ", Progname, file, func, line);
+	r = snprintf(msg, n, "%s %s:%s<%d> ", Progname, file, func, line);
 	n -= r;
 	i += r;
 	if (n && fmt) {