Update FEMU compilation script

Author: huaicheng

femu-scripts/femu-compile.sh

@@ -3,8 +3,8 @@
 NRCPUS="$(cat /proc/cpuinfo | grep "vendor_id" | wc -l)"
 
 make clean
-# --disable-werror --extra-cflags=-w
-../configure --enable-kvm --target-list=x86_64-softmmu --disable-werror #--disable-git-update
+# --disable-werror --extra-cflags=-w --disable-git-update
+../configure --enable-kvm --target-list=x86_64-softmmu
 make -j $NRCPUS
 
 echo ""