package/flann: bump version to 1.9.1

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/flann/flann.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256 3fec86866987c792c3fce7ecc8ba9d09a003f5d2d1a1ad94864550aad73a5c0b  flann-3645f0c30a47267e56e5acdecfc7bac2b76bc3d5.tar.gz
+sha256 b23b5f4e71139faa3bcb39e6bbcc76967fbaf308c4ee9d4f5bfbeceaa76cc5d3  flann-1.9.1.tar.gz

package/flann/flann.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-FLANN_VERSION = 3645f0c30a47267e56e5acdecfc7bac2b76bc3d5
+FLANN_VERSION = 1.9.1
 FLANN_SITE = $(call github,mariusmuja,flann,$(FLANN_VERSION))
 FLANN_INSTALL_STAGING = YES
 FLANN_LICENSE = BSD-3-Clause