hg: bsd-port/jdk8/hotspot: - Clang doesn't understand -gstabs so set DEBUG_CFLAGS to -g for clang.

[kurt]

Changeset: 45d109da3cb9
Author:    kurt
Date:      2015-07-04 11:28 -0400
URL:       http://hg.openjdk.java.net/bsd-port/jdk8/hotspot/rev/45d109da3cb9

- Clang doesn't understand -gstabs so set DEBUG_CFLAGS to -g for clang.

! make/bsd/makefiles/gcc.make