patch 8.2.0796: MS-Windows: compiler can't handle C99 construct in libvterm

Problem:    MS-Windows: compiler can't handle C99 construct in libvterm.
Solution:   Change to C90 construct.

src/libvterm/src/state.c

@@ -1780,9 +1780,9 @@ static int on_resize(int rows, int cols, void *user)
       }
 
       for( ; row < rows; row++) {
-        newlineinfo[row] = (VTermLineInfo){
-          .doublewidth = 0,
-        };
+	VTermLineInfo lineInfo = (VTermLineInfo){0};
+	lineInfo.doublewidth = 0;
+	newlineinfo[row] = lineInfo;
       }
 
       vterm_allocator_free(state->vt, state->lineinfos[bufidx]);

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    796,
 /**/
     795,
 /**/