Clean up files left over on OSX in cleanup.sh

Author: jgriffiths

tools/cleanup.sh

@@ -43,12 +43,14 @@ rm -f src/wrap_js/cordovaplugin/WallyCordova.swift
 rm -rf src/wrap_js/cordovaplugin/jniLibs/
 rm -f src/wrap_js/wally.js
 rm -rf src/.libs
+rm -f src/secp256k1/build-aux/ltmain.sh-e
 rm -f tools/build-aux/compile
 rm -f tools/build-aux/config.guess
 rm -f tools/build-aux/config.sub
 rm -f tools/build-aux/depcomp
 rm -f tools/build-aux/install-sh
 rm -f tools/build-aux/ltmain.sh
+rm -f tools/build-aux/ltmain.sh-e
 rm -f tools/build-aux/missing
 rm -f tools/build-aux/m4/l*.m4
 rm -f tools/build-aux/test-driver