Fix CPPLint issues in init.cc, init.h and library_type.h

paddle/fluid/framework/init.cc

@@ -15,6 +15,7 @@ limitations under the License. */
 #include <algorithm>
 #include <stdexcept>
 #include <string>
+#include <vector>
 
 #include "paddle/fluid/framework/init.h"
 #include "paddle/fluid/framework/operator.h"
@@ -28,7 +29,7 @@ namespace framework {
 std::once_flag gflags_init_flag;
 std::once_flag p2p_init_flag;
 
-void InitGflags(std::vector<std::string> &argv) {
+void InitGflags(std::vector<std::string> argv) {
   std::call_once(gflags_init_flag, [&]() {
     int argc = argv.size();
     char **arr = new char *[argv.size()];
@@ -65,7 +66,7 @@ void InitP2P(int count) {
 }
 
 void InitDevices(bool init_p2p) {
-  /*Init all avaiable devices by default */
+  /*Init all available devices by default */
 
   std::vector<platform::Place> places;
   places.emplace_back(platform::CPUPlace());

paddle/fluid/framework/init.h

@@ -12,15 +12,17 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License. */
 #pragma once
-#include <mutex>
+#include <mutex>  // NOLINT
+#include <string>
+#include <vector>
 
 #include "gflags/gflags.h"
 #include "glog/logging.h"
 
 namespace paddle {
 namespace framework {
 
-void InitGflags(std::vector<std::string> &argv);
+void InitGflags(std::vector<std::string> argv);
 
 void InitGLOG(const std::string &prog_name);
 

paddle/fluid/framework/library_type.h

@@ -14,6 +14,7 @@ limitations under the License. */
 
 #pragma once
 #include <cctype>
+#include <string>
 
 namespace paddle {
 namespace framework {
@@ -67,5 +68,5 @@ inline std::ostream& operator<<(std::ostream& out, LibraryType l) {
   return out;
 }
 
-}  // namespace
-}  // framework
+}  // namespace framework
+}  // namespace paddle