automake: include git_sha1.h.in in release tarball

Fixes:

make[2]: Leaving directory '/home/local/mesa/mesa-17.4.0-devel/_build/sub/src'
make[2]: *** No rule to make target '../../../src/git_sha1.h.in', needed by 'git_sha1.h'.  Stop.
Makefile:660: recipe for target 'all-recursive' failed

Fixes: 16be271c6ee618e79c7d "git_sha1_gen: use git_sha1.h.in on all build systems"
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>

diff --git a/src/Makefile.am b/src/Makefile.am
index 1de4fca..22973b1 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -26,7 +26,7 @@ git_sha1.h: $(top_srcdir)/src/git_sha1.h.in
 
 BUILT_SOURCES = git_sha1.h
 CLEANFILES = $(BUILT_SOURCES)
-EXTRA_DIST =
+EXTRA_DIST = git_sha1.h.in
 
 SUBDIRS = . gtest util mapi/glapi/gen mapi