configure: Add -Wall again to the default CFLAGS

Commit 78ceef25d64efeeb6067d1cb282a00466e637e2a ("configure: Remove
--enable-all-warnings option") removed it due to a missing +.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

diff --git a/Makeconfig b/Makeconfig
index c4dd9ea..c48fcc5 100644 (file)
--- a/Makeconfig
+++ b/Makeconfig
@@ -857,7 +857,7 @@ host-test-program-cmd = $(host-built-program-cmd)
 endif
 
 # Extra flags to pass to GCC.
-gccwarn := -Wall -Wwrite-strings -Wundef
++gccwarn := -Wall -Wwrite-strings -Wundef
 ifeq ($(enable-werror),yes)
 +gccwarn += -Werror
 endif