Disable warnings as errors for STAGEautofeedback.

Compilation during STAGEautofeedback produces additional warnings
since inlining decisions with -fauto-profile are different from
other builds.

This patches disables warnings as errors for STAGEautofeedback.

Tested on x86_64-pc-linux-gnu.

	* Makefile.tpl: Disable warnings as errors for STAGEautofeedback
diff --git a/Makefile.tpl b/Makefile.tpl
index e34071a..b0fbf9f 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -566,6 +566,9 @@
 
 STAGEautofeedback_CFLAGS = $(STAGE3_CFLAGS)
 STAGEautofeedback_TFLAGS = $(STAGE3_TFLAGS)
+# Disable warnings as errors since inlining decisions with -fauto-profile
+# may result in additional warnings.
+STAGEautofeedback_CONFIGURE_FLAGS = $(filter-out --enable-werror-always,$(STAGE_CONFIGURE_FLAGS))
 
 do-compare = @do_compare@
 do-compare3 = $(do-compare)