Fix data/Makefile.am

Indentation got wrong.

data/Makefile.am

@@ -5,9 +5,9 @@ resource_files = $(shell $(GLIB_COMPILE_RESOURCES) --sourcedir=$(srcdir) --sourc
 gauthenticator.gresource: gauthenticator.gresource.xml $(resource_files)
 	$(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) --target=$@ --sourcedir=$(srcdir) --sourcedir=$(builddir) $<
 
-	resourcedir = $(pkgdatadir)
-	resource_DATA = gauthenticator.gresource
+resourcedir = $(pkgdatadir)
+resource_DATA = gauthenticator.gresource
 
-	EXTRA_DIST = gauthenticator.gresource.xml $(resource_files)
+EXTRA_DIST = gauthenticator.gresource.xml $(resource_files)
 
-	CLEANFILES = gauthenticator.gresource
+CLEANFILES = gauthenticator.gresource