Another mac fix

Test: make (on linux)
Change-Id: I3f0561f3a1fc08dad5d3dd8ba860da56b51d273c
diff --git a/tools/bit/adb.cpp b/tools/bit/adb.cpp
index eb96dae..0c8424d 100644
--- a/tools/bit/adb.cpp
+++ b/tools/bit/adb.cpp
@@ -308,7 +308,7 @@
         const char* prog = cmd.GetProg();
         char* const* argv = cmd.GetArgv();
         char* const* env = cmd.GetEnv();
-        execvpe(prog, argv, env);
+        exec_with_path_search(prog, argv, env);
         print_error("Unable to run command: %s", prog);
         exit(1);
     } else {