Please make the build reproducible.

Whilst working on the Reproducible Builds effort [0], we noticed
that node-mocha could not be built reproducibly.

 [0] https://reproducible-builds.org/

Makefile

@@ -13,7 +13,7 @@ else
 endif
 
 TM_BUNDLE = JavaScript\ mocha.tmbundle
-SRC = $(shell find lib -name "*.js" -type f | sort)
+SRC = $(shell find lib -name "*.js" -type f | LC_ALL=C sort)
 TESTS = $(shell find test -name "*.js" -type f | sort)
 
 all: mocha.js