patch 8.1.2175: meson files are not recognized

Problem:    Meson files are not recognized.
Solution:   Add the meson filetype. (Liam Beguin , Nirbheek Chauhan,
            closes #5056)  Also recognize hollywood.
diff --git a/src/version.c b/src/version.c
index e2e213e..e371d68 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2175,
+/**/
     2174,
 /**/
     2173,