follow briano's lead and use MOZ_DLL_SUFFIX

mailnews/imap/tests/harness/imapProtocolTest.cpp

@@ -76,11 +76,11 @@
 #ifdef XP_MAC
 #include "nsMacRepository.h"
 #else
-#define NETLIB_DLL "libnetlib.so"
-#define XPCOM_DLL  "libxpcom.so"
-#define PREF_DLL	"libpref.so"   // mscott: is this right?
-#define MSGIMAP_DLL "libmsgimap.so"
-#define APPSHELL_DLL "libnsappshell.so"
+#define NETLIB_DLL "libnetlib"MOZ_DLL_SUFFIX
+#define XPCOM_DLL  "libxpcom"MOZ_DLL_SUFFIX
+#define PREF_DLL	"libpref"MOZ_DLL_SUFFIX
+#define MSGIMAP_DLL "libmsgimap"MOZ_DLL_SUFFIX
+#define APPSHELL_DLL "libnsappshell"MOZ_DLL_SUFFIX
 #endif
 #endif