Removed unnecessary %s which was causing seg faults

Author: sfkhalid

vpr/src/base/ShowSetup.cpp

@@ -30,8 +30,8 @@ void ShowSetup(const t_vpr_setup& vpr_setup) {
     VTR_LOG("Circuit placement file: %s\n", vpr_setup.FileNameOpts.PlaceFile.c_str());
     VTR_LOG("Circuit routing file: %s\n", vpr_setup.FileNameOpts.RouteFile.c_str());
     VTR_LOG("Circuit SDC file: %s\n", vpr_setup.Timing.SDCFile.c_str());
-    if (vpr_setup.FileNameOpts.read_vpr_constraints_file == "") {
-        VTR_LOG("Vpr floorplanning constraints file: not specified %s\n");
+    if (vpr_setup.FileNameOpts.read_vpr_constraints_file.empty()) {
+        VTR_LOG("Vpr floorplanning constraints file: not specified\n");
     } else {
         VTR_LOG("Vpr floorplanning constraints file: %s\n", vpr_setup.FileNameOpts.read_vpr_constraints_file.c_str());
     }