OpenBSD Build: Update COMPILE.MD
Verified build of HEAD under OpenBSD 6.3 with egcc/eg++ 4.9.4.
@@ -147,12 +147,12 @@ https://build.libelektra.org/
| clang | 6.0 |x86_64-pc-linux-gnu|
| clang | 8.1.0 | macOS |
| icc | 14.0.2 20140120 |x86_64-pc-linux-gnu|
-| gcc/g++ | | openbsd 4.9.3 (*) |
+| gcc/g++ | | openbsd 4.9.4 (*) |
> (*) OpenBSD ships an old version of GCC per default, which can not compile Elektra.
> A manual installation of egcc/eg++ is required. Note that not every OpenBSD
> mirror provides the eg++ package. Elektra builds are confirmed with
-> egcc/eg++ 4.9.3 in OpenBSD 5.9.
+> egcc/eg++ 4.9.4 in OpenBSD 6.3.
> The packages are called gcc and g++.
> Compile with `CC=/usr/local/bin/egcc CXX=/usr/local/bin/eg++`.
