Trialing adding a symbolic link. Cristian Cadar wants a copy of c_interface.h to...

git-svn-id: https://stp-fast-prover.svn.sourceforge.net/svnroot/stp-fast-prover/trunk/stp@1385 e59a4935-1847-0410-ae03-e826735625c1

diff --git a/include/stp/c_interface.h b/include/stp/c_interface.h
new file mode 120000 (symlink)
index 0000000..68bfb2e
--- /dev/null
+++ b/include/stp/c_interface.h
@@ -0,0 +1 @@
+../../src/c_interface/c_interface.h
\ No newline at end of file