intel/2017 problem with std::ifstream

AMDiS/src/parallel/MeshDistributor.cc

@@ -529,8 +529,8 @@ namespace AMDiS { namespace Parallel {
     if (filename != "") {
       MSG("Read macro weights from %s\n", filename.c_str());
 
-      ifstream infile;
-      infile.open(filename.c_str(), ifstream::in);
+      std::ifstream infile;
+      infile.open(filename.c_str(), std::ifstream::in);
       while (!infile.eof()) {
 	int elNum, elWeight;
 	infile >> elNum;
@@ -656,7 +656,7 @@ namespace AMDiS { namespace Parallel {
 		      filename);
       filename += ".p" + lexical_cast<string>(mpiRank);
       MSG("Start deserialization with %s\n", filename.c_str());
-      ifstream in(filename.c_str());
+      std::ifstream in(filename.c_str());
 
       TEST_EXIT(!in.fail())("Could not open deserialization file: %s\n",
 			    filename.c_str());