gnu: doxygen: Update to 1.9.5.

* gnu/packages/documentation.scm (doxygen): Update to 1.9.5.
[source](patches): Remove.
* gnu/packages/patches/doxygen-support-gcc-12.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.

gnu/local.mk

@@ -1014,7 +1014,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/doc++-include-directives.patch		\
   %D%/packages/patches/doc++-segfault-fix.patch			\
   %D%/packages/patches/dovecot-trees-support-dovecot-2.3.patch	\
-  %D%/packages/patches/doxygen-support-gcc-12.patch		\
   %D%/packages/patches/dstat-fix-crash-when-specifying-delay.patch	\
   %D%/packages/patches/dstat-skip-devices-without-io.patch	\
   %D%/packages/patches/dvd+rw-tools-add-include.patch 		\

gnu/packages/documentation.scm

@@ -187,7 +187,7 @@ markup) can be customized and extended by the user.")
 (define-public doxygen
   (package
     (name "doxygen")
-    (version "1.9.4")
+    (version "1.9.5")
     (home-page "https://www.doxygen.nl/")
     (source (origin
               (method url-fetch)
@@ -198,9 +198,7 @@ markup) can be customized and extended by the user.")
                                         ".src.tar.gz")))
               (sha256
                (base32
-                "0dqzgci82z950pzg6cpxvvqwybi2031flml3pj47hayhq3c9qpm1"))
-              ;; Remove with next release.
-              (patches (search-patches "doxygen-support-gcc-12.patch"))))
+                "1v1f9cp5lyymg7xmw0ldnzi7ql8agbaqam1xdyljk0lrbnrm9d2m"))))
     (build-system cmake-build-system)
     (native-inputs
      (list bison

gnu/packages/patches/doxygen-support-gcc-12.patch

@@ -1,15 +0,0 @@
-Fix for https://github.com/doxygen/doxygen/issues/9312 made in unreleased upstream commit
-https://github.com/doxygen/doxygen/commit/5198966c8d5fec89116d025c74934ac03ea511fa
-
-diff --git a/src/cache.h b/src/cache.h
-index 0ff3092ed5..e218eb27d2 100644
---- a/src/cache.h
-+++ b/src/cache.h
-@@ -19,6 +19,7 @@
- #include <list>
- #include <unordered_map>
- #include <mutex>
-+#include <utility>
- #include <ctype.h>
- 
- /*! Fixed size cache for value type V using keys of type K.