devtools: fix x86-default build test install env

The x86-default environment was loaded after installing this target.
I did not see any problem with it, yet we should load corresponding
environment before installing a target.

Fixes: bd253da ("devtools: fix test of ninja install")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>

devtools/test-meson-builds.sh

@@ -255,17 +255,15 @@ done
 
 # Test installation of the x86-default target, to be used for checking
 # the sample apps build using the pkg-config file for cflags and libs
+load_env cc
 build_path=$(readlink -f $builds_dir/build-x86-default)
 export DESTDIR=$build_path/install
 # No need to reinstall if ABI checks are enabled
 if [ -z "$DPDK_ABI_REF_VERSION" ]; then
 	install_target $build_path $DESTDIR
 fi
-
-load_env cc
 pc_file=$(find $DESTDIR -name libdpdk.pc)
 export PKG_CONFIG_PATH=$(dirname $pc_file):$PKG_CONFIG_PATH
-
 # if pkg-config defines the necessary flags, test building some examples
 if pkg-config --define-prefix libdpdk >/dev/null 2>&1; then
 	export PKGCONF="pkg-config --define-prefix"