patch 8.2.4064: foam files are not detected

Problem:    Foam files are not detected.
Solution:   Detect the foam filetype by the path and file contents. (Mohammed
            Elwardi Fadeli, closes #9501)
diff --git a/src/version.c b/src/version.c
index 731a654..5f28da3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4064,
+/**/
     4063,
 /**/
     4062,