patches: fix remaining line-length violations and doc string corruption

- Correct three pre-existing DEFVAR_BOOL doc strings (ns-use-native-
  fullscreen, ns-use-mwheel-acceleration, ns-use-mwheel-momentum) that
  were accidentally modified by an earlier rebase; restore original text
- Break @property line in nsterm.h to 79 chars
- Replace em-dash with --- and break 80-char comment line in patch 0004

patches/0006-doc-add-VoiceOver-accessibility-section-to-macOS-app.patch

@@ -1,4 +1,4 @@
-From 4b77c5a182863322da1d42b4f4f2ba5a2ce7179d Mon Sep 17 00:00:00 2001
+From c30855d5c11e33c954fb055f97be4bafccee2576 Mon Sep 17 00:00:00 2001
 From: Martin Sukany <martin@sukany.cz>
 Date: Sat, 28 Feb 2026 12:58:11 +0100
 Subject: [PATCH 6/8] doc: add VoiceOver accessibility section to macOS
@@ -110,10 +110,10 @@ index 6bd334f..6514dfc 100644
  @section GNUstep Support
  
 diff --git a/src/nsterm.m b/src/nsterm.m
-index d9b8ecd..7d48e6b 100644
+index 7574da4..426b029 100644
 --- a/src/nsterm.m
 +++ b/src/nsterm.m
-@@ -14622,9 +14622,13 @@ Nil means use fullscreen the old (< 10.7) way.  The old way works better with
+@@ -14623,9 +14623,13 @@ Nil means use fullscreen the old (< 10.7) way.  The old way works better with
  
    DEFVAR_BOOL ("ns-accessibility-enabled", ns_accessibility_enabled,
       doc: /* Non-nil enables Zoom cursor tracking and VoiceOver support.