- use SDL sound on FreeBSD too.

- add solid include path to unix common makefile ... this is not FreeBSD
  specific, so I'm a bit confused as this wasn't corrected before.

intern/SoundSystem/Makefile

@@ -48,7 +48,7 @@ ifneq ($(NAN_NO_OPENAL),true)
       DIRS += openal
   endif
   ifeq ($(OS),freebsd)
-    DIRS += openal
+    DIRS += openal sdl
   endif
   ifeq ($(OS),$(findstring $(OS), "linux"))
     DIRS += openal sdl

source/gameengine/GamePlayer/common/unix/Makefile

@@ -63,6 +63,7 @@ CPPFLAGS += -I$(NAN_SUMO)/include
 CPPFLAGS += -I$(NAN_SOUNDSYSTEM)/include
 CPPFLAGS += -I$(NAN_MOTO)/include
 CPPFLAGS += -I$(NAN_BMFONT)/include
+CPPFLAGS += -I$(NAN_SOLID)/include
 
 # Blender stuff
 CPPFLAGS += -I../../../../blender/blenkernel