[MultiSource] Fix argument parsing bug when program path contains parameters as substring

MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/param_utils.cpp

diff --git a/MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/param_utils.cpp b/MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/param_utils.cpp
index c81901f..8c88bd7 100644
--- a/MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/param_utils.cpp
+++ b/MultiSource/Benchmarks/DOE-ProxyApps-C++/miniFE/param_utils.cpp
@@ -35,7 +35,8 @@
 //-------------------------------------------------------------
 void read_args_into_string(int argc, char** argv, std::string& arg_string)
 {
-  arg_string = argv[0];
+  // Fix argument parsing to exclude argv[0] and prevent false detection of parameters in program path.
+  arg_string = "";
   for(int i=1; i<argc; ++i) {
     arg_string += " " + std::string(argv[i]);
   }