patch 8.1.0040: warnings from 64-bit compiler

Problem:    Warnings from 64-bit compiler.
Solution:   Add type casts. (Mike Williams)

Author: brammool

src/edit.c

@@ -1894,7 +1894,7 @@ init_prompt(int cmdchar_todo)
 				   || Insstart_orig.col != (int)STRLEN(prompt))
     {
 	Insstart.lnum = curwin->w_cursor.lnum;
-	Insstart.col = STRLEN(prompt);
+	Insstart.col = (int)STRLEN(prompt);
 	Insstart_orig = Insstart;
 	Insstart_textlen = Insstart.col;
 	Insstart_blank_vcol = MAXCOL;
@@ -1904,7 +1904,7 @@ init_prompt(int cmdchar_todo)
     if (cmdchar_todo == 'A')
 	coladvance((colnr_T)MAXCOL);
     if (cmdchar_todo == 'I' || curwin->w_cursor.col <= (int)STRLEN(prompt))
-	curwin->w_cursor.col = STRLEN(prompt);
+	curwin->w_cursor.col = (int)STRLEN(prompt);
     /* Make sure the cursor is in a valid position. */
     check_cursor();
 }

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    40,
 /**/
     39,
 /**/