gnu: libxt: Update to 1.2.1.

* gnu/packages/xorg.scm (libxt): Update to 1.2.1.
* gnu/packages/patches/libxt-guix-search-paths.patch: Adjust context.

gnu/packages/patches/libxt-guix-search-paths.patch

@@ -1,13 +1,9 @@
 diff --git a/src/Intrinsic.c b/src/Intrinsic.c
-index c9624ec..addcdba 100644
 --- a/src/Intrinsic.c
 +++ b/src/Intrinsic.c
-@@ -1312,21 +1312,101 @@ static void FillInLangSubs(
-     } else (void) strcpy(*rest, string);
+@@ -1345,21 +1345,99 @@ FillInLangSubs(Substitution subs, XtPerDisplay pd)
  }
  
-+
-+
  /*
 - * default path used if environment variable XFILESEARCHPATH
 - * is not defined.  Also substitued for %D.
@@ -24,8 +20,9 @@ index c9624ec..addcdba 100644
 +   These values provide the default paths where Guix/GuixSD can expect
 +   to find resources for installed packages.
   */
--static const char *implementation_default_path(void)
-+static const char *guix_default_path(void)
+ static const char *
+-implementation_default_path(void)
++guix_default_path(void)
  {
 -#if defined(WIN32)
 -    static char xfilesearchpath[] = "";
@@ -115,7 +112,7 @@ index c9624ec..addcdba 100644
  }
  
  
-@@ -1354,7 +1434,7 @@ _XtString XtResolvePathname(
+@@ -1388,7 +1466,7 @@ XtResolvePathname(Display *dpy,
  {
      XtPerDisplay pd;
      static const char *defaultPath = NULL;

gnu/packages/xorg.scm

@@ -5579,7 +5579,7 @@ (define-public libxcursor
 (define-public libxt
   (package
     (name "libxt")
-    (version "1.2.0")
+    (version "1.2.1")
     (source
       (origin
         (method url-fetch)
@@ -5589,7 +5589,7 @@ (define-public libxt
                ".tar.bz2"))
         (sha256
           (base32
-           "0cbqlyssr8aia88c8i7z59z9d0kp3p2hp6683xhz9ndyv8qza7dk"))
+           "0q1x7842r8rcn2m0q4q9f69h4qa097fyizs8brzx5ns62s7w1737"))
         (patches (search-patches "libxt-guix-search-paths.patch"))))
     (build-system gnu-build-system)
     (outputs '("out"