[PATCH:lib/libX11] Fix VPATH build of libX11 specs

[Yaakov (Cygwin/X)]

From: Yaakov Selkowitz <yselkowitz at users.sourceforge.net>

Signed-off-by: Yaakov Selkowitz <yselkowitz at users.sourceforge.net>
---
 specs/troffrules.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/specs/troffrules.in b/specs/troffrules.in
index 03d8463..c174909 100644
--- a/specs/troffrules.in
+++ b/specs/troffrules.in
@@ -46,7 +46,7 @@ MOSTLYCLEANFILES = index.*
 GROFF_DEFS = -dxV="$(PACKAGE_STRING)"
 
 # -e to run through eqn, -t to run through tbl
-GROFF_FLAGS = -e -t -ms $(GROFF_DEFS) $(top_srcdir)/specs/macros.t
+GROFF_FLAGS = -e -t -ms $(GROFF_DEFS) -I$(srcdir) $(top_srcdir)/specs/macros.t
 
 SUFFIXES = .ms .ps .txt .html .pdf
 
-- 
1.6.4.2