[iagno] iagno-resources.c shouldn't be deleted by 'make clean'

[Michael Catanzaro <mcatanzaro src gnome org>]

commit e2426e9bf2295e821ed5c27437849eb63226c8a3
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Nov 29 11:09:02 2014 -0600

    iagno-resources.c shouldn't be deleted by 'make clean'
    
    It's distributed and not intended to be rebuilt.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=740667

 src/Makefile.am |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index e30f131..7c52e6c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -54,8 +54,9 @@ iagno-resources.c: $(shell $(GLIB_COMPILE_RESOURCES) --generate-dependencies iag
 
 CLEANFILES = \
        $(patsubst %.vala,%.c,$(filter %.vala, $(SOURCES))) \
-       *_vala.stamp \
-       iagno-resources.c
+       *_vala.stamp
+
+MAINTAINERCLEANFILES = iagno-resources.c
 
 EXTRA_DIST = iagno.gresource.xml