Fix error when sourcing profile script

With the "set -e" property set, a failure when sourcing /etc/profile
can cause makepkg to exit without error message.  The bash-completion
package activates this bug.  Fixes FS#11179.

Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

scripts/makepkg.sh.in

@@ -341,7 +341,10 @@ handledeps() {
 	fi
 
 	# we might need the new system environment
+	# set -e can cause problems during sourcing profile scripts
+	set +e
 	source /etc/profile &>/dev/null
+	set -e
 
 	return $R_DEPS_SATISFIED
 }