patch 8.1.1194: typos and small problems in source files

Problem:    Typos and small problems in source files.
Solution:   Small fixes.
diff --git a/src/terminal.c b/src/terminal.c
index 7dd0387..a8a1618 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -5671,9 +5671,9 @@
 typedef int HPCON;
 typedef int HRESULT;
 typedef int LPPROC_THREAD_ATTRIBUTE_LIST;
+typedef int SIZE_T;
 typedef int PSIZE_T;
 typedef int PVOID;
-typedef int SIZE_T;
 typedef int WINAPI;
 #endif