BitKeeper: fix tommath build in tcl

The include order in Tcl was incorrect when tommath.h is included
in the system libraires.  The fake tommath.h in tcl/generic must
be found before the real tommath.h

bitkeeper/distinfo

@@ -5,3 +5,4 @@ RMD160 (bk-7.3ce.src.tar.gz) = 6573ddcaef75dfa5b0c8578cbb3525754c351825
 SHA512 (bk-7.3ce.src.tar.gz) = 671828afe094a2c834f70ea2e70070eec823e6c67e0e3eaa84fb7f7259caf026764194c04356ba5b6439f3813124a20eed7fc283f82de324b587c3bf779a8678
 Size (bk-7.3ce.src.tar.gz) = 20257094 bytes
 SHA1 (patch-Ldoc-install) = f7d8f10d501240f08f7a27d058a700ce5b09a6d6
+SHA1 (patch-tcl-include-order) = 074cf665bf1e3d58958c83df10c84de33b8f16f4

bitkeeper/patches/patch-tcl-include-order

@@ -0,0 +1,16 @@
+$NetBSD$
+
+Must see Tcl's tommath.h before the system version
+
+--- src/gui/tcltk/tcl/unix/Makefile.in.orig	2016-07-08 12:09:37 -04:00
++++ src/gui/tcltk/tcl/unix/Makefile.in
+@@ -107,7 +107,7 @@ CFLAGS_OPTIMIZE		= @CFLAGS_OPTIMIZE@
+ #CFLAGS			= $(CFLAGS_DEBUG)
+ #CFLAGS			= $(CFLAGS_OPTIMIZE)
+ #CFLAGS			= $(CFLAGS_DEBUG) $(CFLAGS_OPTIMIZE)
+-CFLAGS			= @CFLAGS_DEFAULT@ @CFLAGS@
++CFLAGS			= -I${GENERIC_DIR}  @CFLAGS_DEFAULT@ @CFLAGS@
+
+ # Flags to pass to the linker
+ LDFLAGS_DEBUG		= @LDFLAGS_DEBUG@
+