Fix: untrack the sasaVersion.ml file, not the Makefile.version that generates it!

Makefile.version

+
+SHA:=$(shell git log -1 --pretty=format:"%h"|| echo "err")
+BRANCH:=$(shell git branch | grep "*" | cut -d ' ' -f 2 || echo "err")
+
+VERSION=$(shell git describe --tags)
+
+del_version:
+	rm -f src/sasaVersion.ml
+
+gen_version: del_version src/sasaVersion.ml 
+
+src/sasaVersion.ml:
+	echo "(* generated by ../Makefile.version *)" > src/sasaVersion.ml ; \
+	echo "let str=\"$(VERSION)\"" >> src/sasaVersion.ml ; \
+	echo "let sha=\"$(SHA)\"" >> src/sasaVersion.ml ; \
+	echo "let branch=\"$(BRANCH)\"" >> src/sasaVersion.ml

src/sasaVersion.ml

-(* generated by ../Makefile.version *)
-let str="1.0.1"
-let sha="622c02c"
-let branch="master"