Added cvdump tool to dump CodeView symbol information.

diff --git a/configure b/configure
index 6f4ee7c..152cb8f 100755
--- a/configure
+++ b/configure
@@ -6314,6 +6314,7 @@
 scheduler/Makefile
 server/Makefile
 tools/Makefile
+tools/cvdump/Makefile
 tools/wrc/Makefile
 tsx11/Makefile
 win32/Makefile
@@ -6537,6 +6538,7 @@
 scheduler/Makefile
 server/Makefile
 tools/Makefile
+tools/cvdump/Makefile
 tools/wrc/Makefile
 tsx11/Makefile
 win32/Makefile