[banshee] build: remove Backends & Extensions subfolders at uninstall (bgo#656895)

[Andrés Aragoneses <aaragoneses src gnome org>]

commit 50257fafdc0077754cb2cb155db048261fdfbb73
Author: Andrés G. Aragoneses <knocte gmail com>
Date:   Sun May 18 14:39:02 2014 +0200

    build: remove Backends & Extensions subfolders at uninstall (bgo#656895)
    
    If banshee was installed in /usr/local for example, the subfolders
    /usr/local/lib/banshee/Backends and /usr/local/lib/banshee/Extensions
    were not being removed when running the `make uninstall` target.

 src/Backends/Makefile.am   |    6 ++++++
 src/Extensions/Makefile.am |    5 +++++
 2 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/src/Backends/Makefile.am b/src/Backends/Makefile.am
index eecf2c3..524051e 100644
--- a/src/Backends/Makefile.am
+++ b/src/Backends/Makefile.am
@@ -8,3 +8,9 @@ SUBDIRS = \
        Banshee.Windows
 
 MAINTAINERCLEANFILES = Makefile.in
+
+uninstall-hook:
+       if test -d "$(pkglibdir)/Backends"; then \
+               rmdir "$(pkglibdir)/Backends"; \
+       fi
+
diff --git a/src/Extensions/Makefile.am b/src/Extensions/Makefile.am
index c120481..e018b42 100644
--- a/src/Extensions/Makefile.am
+++ b/src/Extensions/Makefile.am
@@ -38,3 +38,8 @@ SUBDIRS = \
 
 
 MAINTAINERCLEANFILES = Makefile.in
+
+uninstall-hook:
+       if test -d "$(pkglibdir)/Extensions"; then \
+               rmdir "$(pkglibdir)/Extensions"; \
+       fi