[empathy] Fix theme installation during distcheck

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a6a0565bf6ce13e9386f3e486f2a45d262034749
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Wed Aug 16 18:11:49 2017 -0500

    Fix theme installation during distcheck
    
    Looks like this package has not passed distcheck in at least the past
    five years. OK then....

 data/themes/Makefile.am |   33 +--------------------------------
 1 files changed, 1 insertions(+), 32 deletions(-)
---
diff --git a/data/themes/Makefile.am b/data/themes/Makefile.am
index 58d0618..ae2035a 100644
--- a/data/themes/Makefile.am
+++ b/data/themes/Makefile.am
@@ -1,12 +1,6 @@
 themesdir = $(datadir)/adium/message-styles
 
-themes = \
-       $(boxes_messageStyle) \
-       $(classic_messageStyle) \
-       $(pgo_messageStyle) \
-       $(NULL)
-
-boxes_messageStyle = \
+nobase_dist_themes_DATA = \
        Boxes.AdiumMessageStyle/Contents/Resources/Incoming/Content.html \
        Boxes.AdiumMessageStyle/Contents/Resources/Incoming/NextContent.html \
        Boxes.AdiumMessageStyle/Contents/Resources/main.css \
@@ -15,16 +9,10 @@ boxes_messageStyle = \
        Boxes.AdiumMessageStyle/Contents/Resources/Variants/Simple.css \
        Boxes.AdiumMessageStyle/Contents/Resources/Variants/Blue.css \
        Boxes.AdiumMessageStyle/Contents/Info.plist \
-       $(NULL)
-
-classic_messageStyle = \
        Classic.AdiumMessageStyle/Contents/Resources/Content.html \
        Classic.AdiumMessageStyle/Contents/Resources/main.css \
        Classic.AdiumMessageStyle/Contents/Resources/Status.html \
        Classic.AdiumMessageStyle/Contents/Info.plist \
-       $(NULL)
-
-pgo_messageStyle = \
        PlanetGNOME.AdiumMessageStyle/Contents/Resources/Images/corners.png \
        PlanetGNOME.AdiumMessageStyle/Contents/Resources/Images/horizontal.png \
        PlanetGNOME.AdiumMessageStyle/Contents/Resources/Images/nipple.png \
@@ -35,22 +23,3 @@ pgo_messageStyle = \
        PlanetGNOME.AdiumMessageStyle/Contents/Resources/main.css \
        PlanetGNOME.AdiumMessageStyle/Contents/Info.plist \
        $(NULL)
-
-install-themes: $(themes)
-       for f in $^; do \
-               mkdir -p `dirname $(DESTDIR)$(themesdir)/$$f`; \
-               $(INSTALL_DATA) $(srcdir)/$$f $(DESTDIR)$(themesdir)/$$f; \
-       done
-
-uninstall-themes: $(themes)
-       for f in $^; do \
-               rm -f $(DESTDIR)$(themesdir)/$$f; \
-       done
-
-install-data-local: install-themes
-
-uninstall-local: uninstall-themes
-
-EXTRA_DIST = \
-       $(themes) \
-       $(NULL)