This updates keepassxc to latest version

Changelog https://github.com/keepassxreboot/keepassxc/releases/tag/2.7.8

I'm not sure how to update the plist for each flavors? Otherwise
it works on amd64 and compiles in a clean chroot.

diff --git a/security/keepassxc/Makefile b/security/keepassxc/Makefile
index 566f78ea030..c2764e189c5 100644
--- a/security/keepassxc/Makefile
+++ b/security/keepassxc/Makefile
@@ -1,8 +1,7 @@
 COMMENT =	management tool for passwords and sensitive data
 
-V =		2.7.7
+V =		2.7.8
 DISTNAME =	keepassxc-${V}
-REVISION =	0
 
 CATEGORIES =	security
 
diff --git a/security/keepassxc/distinfo b/security/keepassxc/distinfo
index 5dcb6c71904..c866b4d81e2 100644
--- a/security/keepassxc/distinfo
+++ b/security/keepassxc/distinfo
@@ -1,2 +1,2 @@
-SHA256 (keepassxc-2.7.7-src.tar.xz) = WPxFrpjks/+wUhAwFPW5ekH+/RcQLH9WBzk03TqC7mc=
-SIZE (keepassxc-2.7.7-src.tar.xz) = 9734460
+SHA256 (keepassxc-2.7.8-src.tar.xz) = h9MQFxKzyGVqJLkIrVt+JSm8AXF8tBVvU7oZX7gXg6M=
+SIZE (keepassxc-2.7.8-src.tar.xz) = 9764860