build: add some explicit file references to VS project files

vc/acountry/vc6acountry.dsp

@@ -169,6 +169,22 @@ SOURCE=..\..\inet_ntop.c
 
 SOURCE=..\..\ares_getopt.h
 # End Source File
+# Begin Source File
+
+SOURCE=..\..\ares_nowarn.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\ares_strcasecmp.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\inet_net_pton.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\inet_ntop.h
+# End Source File
 # End Group
 # End Target
 # End Project

vc/adig/vc6adig.dsp

@@ -169,6 +169,22 @@ SOURCE=..\..\inet_ntop.c
 
 SOURCE=..\..\ares_getopt.h
 # End Source File
+# Begin Source File
+
+SOURCE=..\..\ares_nowarn.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\ares_strcasecmp.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\inet_net_pton.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\inet_ntop.h
+# End Source File
 # End Group
 # End Target
 # End Project

vc/ahost/vc6ahost.dsp

@@ -169,6 +169,22 @@ SOURCE=..\..\inet_ntop.c
 
 SOURCE=..\..\ares_getopt.h
 # End Source File
+# Begin Source File
+
+SOURCE=..\..\ares_nowarn.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\ares_strcasecmp.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\inet_net_pton.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\inet_ntop.h
+# End Source File
 # End Group
 # End Target
 # End Project

vc/cares/vc6cares.dsp

@@ -206,6 +206,10 @@ SOURCE=..\..\ares_gethostbyname.c
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\ares_getnameinfo.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\ares_getsock.c
 # End Source File
 # Begin Source File
@@ -282,6 +286,10 @@ SOURCE=..\..\ares_strcasecmp.c
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\ares_strdup.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\ares_strerror.c
 # End Source File
 # Begin Source File
@@ -358,10 +366,18 @@ SOURCE=..\..\ares_rules.h
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\ares_setup.h
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\ares_strcasecmp.h
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\ares_strdup.h
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\ares_version.h
 # End Source File
 # Begin Source File
@@ -374,6 +390,10 @@ SOURCE=..\..\bitncmp.h
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\config-win32.h
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\inet_net_pton.h
 # End Source File
 # Begin Source File
@@ -384,6 +404,10 @@ SOURCE=..\..\inet_ntop.h
 
 SOURCE=..\..\nameser.h
 # End Source File
+# Begin Source File
+
+SOURCE=..\..\setup_once.h
+# End Source File
 # End Group
 # Begin Group "Resource Files"