moddified speed test

[SVN r80839]

tests/additional_speed.cpp

@@ -1,5 +1,3 @@
-#include <windows.h>
-
 #include <iostream>
 #include <fstream>
 
@@ -23,7 +21,6 @@ int main()
     namespace bgi = bg::index;
 
     size_t values_count = 1000000;
-    size_t tests_count = 10;
     size_t queries_count = 100000;
 
     std::vector< std::pair<float, float> > coords;
@@ -107,6 +104,8 @@ int main()
             std::cout << "found: " << temp << "\n";
         }
 
+        result.clear();
+
         // searching test
         {
             std::cout << "nearest 5 searching time test... ("