Make sure all files under the new shared dir are included in make dist.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13868 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/Makefile.am b/Makefile.am
index 40e2b0f..2426b5c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -25,6 +25,7 @@
 	. \
 	$(TOOLS) \
 	$(EXP_TOOLS) \
+	shared \
 	tests \
 	perf \
 	gdbserver_tests \
diff --git a/configure.ac b/configure.ac
index ece5faa..b1e567a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2996,6 +2996,7 @@
    exp-bbv/tests/arm-linux/Makefile
    exp-dhat/Makefile
    exp-dhat/tests/Makefile
+   shared/Makefile
 ])
 AC_CONFIG_FILES([coregrind/link_tool_exe_linux],
                 [chmod +x coregrind/link_tool_exe_linux])
diff --git a/shared/Makefile.am b/shared/Makefile.am
new file mode 100644
index 0000000..df3a4ac
--- /dev/null
+++ b/shared/Makefile.am
@@ -0,0 +1,3 @@
+# We need to list all source files here to make sure they are included in
+# the make dist target.
+EXTRA_DIST = vg_replace_strmem.c