Added -DHAVE_MUTEX_THREAD_ONLY to fix that bdb doesn't crash with "unable to initialize mutex"

.bzrignore

@@ -1777,3 +1777,5 @@ vio/viotest-sslconnect.cpp
 vio/viotest.cpp
 zlib/*.ds?
 zlib/*.vcproj
+*.gcda
+*.gcno

BUILD/compile-pentium-gcov

@@ -14,7 +14,7 @@ export LDFLAGS="-fprofile-arcs -ftest-coverage"
 # The  -fprofile-arcs and -ftest-coverage options cause GCC to instrument the
 # code with profiling information used by gcov.
 # the -DDISABLE_TAO_ASM is needed to avoid build failures in Yassl.
-extra_flags="$pentium_cflags -fprofile-arcs -ftest-coverage -DDISABLE_TAO_ASM"
+extra_flags="$pentium_cflags -fprofile-arcs -ftest-coverage -DDISABLE_TAO_ASM -DHAVE_MUTEX_THREAD_ONLY"
 extra_configs="$pentium_configs $debug_configs --disable-shared $static_link"
 extra_configs="$extra_configs $max_configs"