flann: bump version to fix build with gcc 6
tree1690c40228b730e787fd63313c3a5dd57eb6d04a
-rw-r--r-- 1220 .defconfig
-rw-r--r-- 125 .gitignore
-rw-r--r-- 198202 CHANGES
-rw-r--r-- 18767 COPYING
-rw-r--r-- 21753 Config.in
-rw-r--r-- 72806 Config.in.legacy
-rw-r--r-- 37688 Makefile
-rw-r--r-- 2432 Makefile.legacy
-rw-r--r-- 1079 README
drwxr-xr-x - arch
drwxr-xr-x - board
drwxr-xr-x - boot
drwxr-xr-x - configs
drwxr-xr-x - docs
drwxr-xr-x - fs
drwxr-xr-x - linux
drwxr-xr-x - package
drwxr-xr-x - support
drwxr-xr-x - system
drwxr-xr-x - toolchain