patch 9.0.0402: javascript module files are not recoginzed

Problem:    Javascript module files are not recoginzed.
Solution:   Recognize "*.jsm" files as Javascript. (Brett Holman,
            closes #11069)
diff --git a/src/version.c b/src/version.c
index 3d6a344..c06a43c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    402,
+/**/
     401,
 /**/
     400,