fix some global namespace pollution

git-svn-id: file:///svn/tokudb@2118 c7de825b-a66e-492c-adef-691d508d4ae1

src/range_tree/linear.c

@@ -17,7 +17,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-const u_int32_t minlen = 64;
+static const u_int32_t minlen = 64;
 
 /*
  *  Returns:

src/tokuglobals.py

@@ -21,7 +21,7 @@ def checkglobals(libname, exceptsymbols, verbose):
             type = match.group(2)
             symbol = match.group(3)
             if verbose: print type, symbol
-            match = re.match("^toku_", symbol)
+            match = re.match("^toku_|^__toku", symbol)
             if match == None and not exceptsymbols.has_key(symbol):
                 print "non toku symbol=", symbol
                 badglobals = 1