added FLANN to REQUIRE

tejus-gupta · tejus-gupta · commit 2cd7177b4791 · 2017-04-12T15:03:55.000+05:30
diff --git a/REQUIRE b/REQUIRE
@@ -4,3 +4,4 @@ Images 0.6
 Distributions 0.12
 FixedPointNumbers 0.3
 Compat 0.17
+FLANN
