Remove unneeded std::string .c_str() call

cppcheck reported:
[utils/zenutils/source/update_patch/main.cpp:105]: (performance) Passing the result of c_str() to a function that takes std::string as argument no. 1 is slow and redundant.

Change-Id: Ied9de135e693af22e1fdc3aa3b67d14b7d2c21e6
1 file changed