Rename configure.in to .ac
.. as requested by aclocal:
aclocal-1.15: warning: autoconf input should be named 'configure.ac', not 'configure.in'
diff --git a/expat/MANIFEST b/expat/MANIFEST
index 7a020dc..2091527 100644
--- a/expat/MANIFEST
+++ b/expat/MANIFEST
@@ -54,7 +54,7 @@
Makefile.in
README
configure
-configure.in
+configure.ac
expat_config.h.in
expat_config.h.cmake
expat.pc.in
diff --git a/expat/configure.in b/expat/configure.ac
similarity index 100%
rename from expat/configure.in
rename to expat/configure.ac
