Use "[info sharedlibextension]" instead of trying ".so" then ".dll". All

the other tcl scripts in the test-suite have already been changed in this
way, but this one was missed it seems.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@9337 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/tcl/profiletest_runme.tcl

@@ -1,9 +1,8 @@
-catch { load ./profiletest.so profiletest}
-catch { load ./profiletest.dll profiletest}    ;# Windows
+catch { load ./profiletest[info sharedlibextension] profiletest}
 
 set  a [new_A]
 set  b [new_B]
 
 for {set i 0} {$i < 1000000} {incr i 1} {
     set a [B_fn $b $a]
-}
+}