Update bootstrap git command

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
diff --git a/bootstrap b/bootstrap
index 0f1941a..3323f9d 100755
--- a/bootstrap
+++ b/bootstrap
@@ -28,7 +28,7 @@
 
 	# Add a date prefix for easy reading.
 
-	date=$(git-log --pretty=format:"%cD" -1 HEAD)
+	date=$(git log --pretty=format:"%cD" -1 HEAD)
 
 	# date='Fri, 2 Aug 2007 19:36:06 -0700'