patch 9.0.0170: various minor code formatting issues

Problem:    Various minor code formatting issues.
Solution:   Improve code formatting.
diff --git a/src/vim.h b/src/vim.h
index eeeeb69..972c9a5 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2829,4 +2829,5 @@
 #define FFED_NO_GLOBAL	2	// only check for script-local functions
 
 #define MAX_LSHIFT_BITS (varnumber_T)((sizeof(uvarnumber_T) * 8) - 1)
+
 #endif // VIM__H