patch 8.2.0124: compiler warnings for variable types

Problem:    Compiler warnings for variable types.
Solution:   Change type, add type cast. (Mike Williams)

src/memline.c

@@ -5753,8 +5753,8 @@ ml_find_line_or_offset(buf_T *buf, linenr_T lnum, long *offp)
 	else
 	{
 #ifdef FEAT_PROP_POPUP
-	    long textprop_total = 0;
-	    long textprop_size = 0;
+	    size_t textprop_total = 0;
+	    size_t textprop_size = 0;
 	    char_u *l1, *l2;
 #endif
 
@@ -5774,7 +5774,7 @@ ml_find_line_or_offset(buf_T *buf, linenr_T lnum, long *offp)
 		if (!(offset >= size
 			+ text_end - (int)((dp->db_index[idx]) & DB_INDEX_MASK)
 #ifdef FEAT_PROP_POPUP
-			- textprop_total - textprop_size
+			- (long)(textprop_total - textprop_size)
 #endif
 			+ ffdos))
 		    break;

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    124,
 /**/
     123,
 /**/