patch 8.1.1442: popup windows not considered when the Vim window is resized

Problem:    Popup windows not considered when the Vim window is resized.
            (Ben Jackson)
Solution:   Reallocate the w_lines structure. (closes #4467)
diff --git a/src/screen.c b/src/screen.c
index a8b10de..304c8c6 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -8892,6 +8892,15 @@
 	win_free_lsize(wp);
     if (aucmd_win != NULL)
 	win_free_lsize(aucmd_win);
+#ifdef FEAT_TEXT_PROP
+    // global popup windows
+    for (wp = first_popupwin; wp != NULL; wp = wp->w_next)
+	win_free_lsize(wp);
+    // tab-local popup windows
+    FOR_ALL_TABPAGES(tp)
+	for (wp = tp->tp_first_popupwin; wp != NULL; wp = wp->w_next)
+	    win_free_lsize(wp);
+#endif
 
     new_ScreenLines = LALLOC_MULT(schar_T, (Rows + 1) * Columns);
     vim_memset(new_ScreenLinesC, 0, sizeof(u8char_T *) * MAX_MCO);
@@ -8920,6 +8929,24 @@
     if (aucmd_win != NULL && aucmd_win->w_lines == NULL
 					&& win_alloc_lines(aucmd_win) == FAIL)
 	outofmem = TRUE;
+#ifdef FEAT_TEXT_PROP
+    // global popup windows
+    for (wp = first_popupwin; wp != NULL; wp = wp->w_next)
+	if (win_alloc_lines(wp) == FAIL)
+	{
+	    outofmem = TRUE;
+	    goto give_up;
+	}
+    // tab-local popup windows
+    FOR_ALL_TABPAGES(tp)
+	for (wp = tp->tp_first_popupwin; wp != NULL; wp = wp->w_next)
+	    if (win_alloc_lines(wp) == FAIL)
+	    {
+		outofmem = TRUE;
+		goto give_up;
+	    }
+#endif
+
 give_up:
 
     for (i = 0; i < p_mco; ++i)