mysql: disable SSP for ppc (toolchain issue?)

Signed-off-by: Steven Barth <steven@midlink.org>

libs/libgcrypt/Makefile

 PKG_SOURCE_URL:=ftp://ftp.gnupg.org/gcrypt/libgcrypt
 PKG_MD5SUM:=a5a5060dc2f80bcac700ab0236ea47dc
 
-PKG_FIXUP:=patch-libtool
+PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1
 PKG_BUILD_PARALLEL:=1
 

utils/mysql/Makefile

   TARGET_CXX=g++-uc
 endif
 
+ifeq ($(ARCH),powerpc)
+  TARGET_CFLAGS += -fno-stack-protector
+endif
+
+
 TARGET_CFLAGS += $(FPIC)
 
 CONFIGURE_ARGS += \