[gobject-introspection] Fix indentation on pretty printed Makefile rules

[Robert Ancell <rancell src gnome org>]

commit e2e16964ee6d68a7ef3b0bbcadb6922ce1e7f563
Author: Robert Ancell <robert ancell canonical com>
Date:   Thu Jun 6 10:00:58 2013 +1200

    Fix indentation on pretty printed Makefile rules
    
    https://bugzilla.gnome.org/show_bug.cgi?id=701679

 Makefile.introspection |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.introspection b/Makefile.introspection
index b347337..bcfecba 100644
--- a/Makefile.introspection
+++ b/Makefile.introspection
@@ -75,14 +75,14 @@ _gir_verbosity = $(if $(AM_DEFAULT_VERBOSITY),$(AM_DEFAULT_VERBOSITY),1)
 
 _gir_silent_scanner_prefix = $(_gir_silent_scanner_prefix_$(V))
 _gir_silent_scanner_prefix_ = $(_gir_silent_scanner_prefix_$(_gir_verbosity))
-_gir_silent_scanner_prefix_0 = @echo "  GISCAN $(1)";
+_gir_silent_scanner_prefix_0 = @echo "  GISCAN   $(1)";
 _gir_silent_scanner_opts = $(_gir_silent_scanner_opts_$(V))
 _gir_silent_scanner_opts_ = $(_gir_silent_scanner_opts_$(_gir_verbosity))
 _gir_silent_scanner_opts_0 = --quiet
 
 _gir_silent_compiler = $(_gir_silent_compiler_$(V))
 _gir_silent_compiler_ = $(_gir_silent_compiler_$(_gir_verbosity))
-_gir_silent_compiler_0 = @echo "  GICOMP $(1)";
+_gir_silent_compiler_0 = @echo "  GICOMP   $(1)";
 
 #
 # Creates a GIR by scanning C headers/sources