Build more test executables on Windows/MSVC

Build all test executables required by 'make checktests'.
diff --git a/win32/Makefile.msvc b/win32/Makefile.msvc
index 8a04288..491dc88 100644
--- a/win32/Makefile.msvc
+++ b/win32/Makefile.msvc
@@ -261,7 +261,10 @@
 	$(BINDIR)\testXPath.exe\
 	$(BINDIR)\runtest.exe\
 	$(BINDIR)\runsuite.exe\
+	$(BINDIR)\runxmlconf.exe\
 	$(BINDIR)\testapi.exe\
+	$(BINDIR)\testchar.exe\
+	$(BINDIR)\testdict.exe\
 	$(BINDIR)\testlimits.exe\
 	$(BINDIR)\testrecurse.exe