fix warnign on OSX

Source/CTest/Curl/CMakeLists.txt

@@ -60,7 +60,6 @@ SET(libCurl_SRCS
   strequal.c
   easy.c
   http_chunks.c
-  strtok.c
   connect.c
   llist.c
   hash.c
@@ -68,6 +67,7 @@ SET(libCurl_SRCS
   )
 
 
+
 # if we have Kerberos 4, right now this is never on
 IF(KRB4)
   SET(libCurl_SRCS ${libCurl_SRCS}
@@ -259,6 +259,12 @@ IF(HAVE_SIGNAL_FUNC AND HAVE_SIGNAL_MACRO)
   SET(HAVE_SIGNAL 1)
 ENDIF(HAVE_SIGNAL_FUNC AND HAVE_SIGNAL_MACRO)
 
+# only build compat strtok if we need to
+IF (NOT HAVE_STRTOK_R)
+  SET(libCurl_SRCS ${libCurl_SRCS}
+    strtok.c
+    )
+ENDIF (NOT HAVE_STRTOK_R)
 
 # sigaction and sigsetjmp are special. Use special mechanism for
 # detecting those, but only if previous attempt failed.