MACOSXPPC: Don't trust '-O4' for libogg

I just don't trust upstream's choices when I see crazy flags like
this. I don't see the point of uber-optimizations of libogg,
especially on a non-upstream architecture.

Author: dwatteau

toolchains/macosx-ppc/packages/libogg/build.sh

@@ -15,6 +15,8 @@ do_http_fetch libogg "http://ftp.oregonstate.edu/.1/xiph/releases/ogg/libogg-${L
 # Avoid compiling and installing doc
 sed -i'.orig' -e 's/^\(SUBDIRS.*\) doc/\1/' Makefile.in
 
+sed -i'.orig' -e 's/-O4 -Wall /-Wall /g' configure
+
 export MACOSX_DEPLOYMENT_TARGET=10.4
 export SDKROOT=/Developer/SDKs/MacOSX10.4u.sdk