git-extras: fix bash-completion dest.

srcpkgs/git-extras/template

@@ -1,7 +1,7 @@
 # Template file for 'git-extras'
 pkgname=git-extras
 version=2.2.0
-revision=1
+revision=2
 noarch=yes
 build_style=gnu-makefile
 depends="bash"
@@ -12,6 +12,10 @@ homepage="https://github.com/tj/git-extras"
 distfiles="${homepage}/archive/${version}.tar.gz"
 checksum=6a933114d276761a078e653a961566d9517a6a4eaadacb62e655d39481548f63
 
+pre_build() {
+	sed -i 's|/etc/bash_completion.d|/usr/share/bash-completion/completions|' Makefile
+}
+
 post_install() {
 	vlicense LICENSE
 }