Modularised signal libc stuff into m_libcsignal.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3870 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/Makefile.am b/include/Makefile.am
index a38b33d..6445b3d 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -12,6 +12,7 @@
 	pub_tool_libcassert.h 		\
 	pub_tool_libcfile.h 		\
 	pub_tool_libcprint.h 		\
+	pub_tool_libcsignal.h 		\
 	pub_tool_mallocfree.h 		\
 	pub_tool_options.h 		\
 	pub_tool_profile.h		\