[gcc r12-3288] libphobos: Update comment for DRUNTIME_OS_SOURCES

[Iain Buclaw]

https://gcc.gnu.org/g:fcc0c84cf5d29de431172347a28366ee0b428a86

commit r12-3288-gfcc0c84cf5d29de431172347a28366ee0b428a86
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date:   Wed Sep 1 14:18:16 2021 +0200

    libphobos: Update comment for DRUNTIME_OS_SOURCES
    
    libphobos/ChangeLog:
    
            * m4/druntime/os.m4: Update comment for DRUNTIME_OS_SOURCES.

Diff:
---
 libphobos/m4/druntime/os.m4 | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libphobos/m4/druntime/os.m4 b/libphobos/m4/druntime/os.m4
index 351558dbcda..15cde3b04b8 100644
--- a/libphobos/m4/druntime/os.m4
+++ b/libphobos/m4/druntime/os.m4
@@ -54,9 +54,10 @@ AC_DEFUN([DRUNTIME_OS_DETECT],
 
 # DRUNTIME_OS_SOURCES
 # -------------------
-# Detect target OS and add DRUNTIME_OS_AIX DRUNTIME_OS_DARWIN
-# DRUNTIME_OS_FREEBSD DRUNTIME_OS_LINUX DRUNTIME_OS_MINGW
-# DRUNTIME_OS_SOLARIS DRUNTIME_OS_OPENBSD conditionals.
+# Detect target OS and add DRUNTIME_OS_AIX DRUNTIME_OS_ANDROID
+# DRUNTIME_OS_DARWIN DRUNTIME_OS_DRAGONFLYBSD DRUNTIME_OS_FREEBSD
+# DRUNTIME_OS_LINUX DRUNTIME_OS_MINGW DRUNTIME_OS_NETBSD
+# DRUNTIME_OS_OPENBSD DRUNTIME_OS_SOLARIS conditionals.
 # If the system is posix, add DRUNTIME_OS_POSIX conditional.
 AC_DEFUN([DRUNTIME_OS_SOURCES],
 [