package/doxygen: bump version to 1.18.18

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/doxygen/doxygen.hash

@@ -1,3 +1,3 @@
 # Computed locally
-sha256 2cba988af2d495541cbbe5541b3bee0ee11144dcb23a81eada19f5501fd8b599  doxygen-1.8.17.src.tar.gz
-sha256 8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  LICENSE
+sha256  18173d9edc46d2d116c1f92a95d683ec76b6b4b45b817ac4f245bb1073d00656  doxygen-1.8.18.src.tar.gz
+sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  LICENSE

package/doxygen/doxygen.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-DOXYGEN_VERSION = 1.8.17
+DOXYGEN_VERSION = 1.8.18
 DOXYGEN_SOURCE = doxygen-$(DOXYGEN_VERSION).src.tar.gz
 DOXYGEN_SITE = http://doxygen.nl/files
 DOXYGEN_LICENSE = GPL-2.0