fix: PVS Studio warnings

src/gflags.cc

@@ -1036,15 +1036,14 @@ uint32 CommandLineFlagParser::ParseNewCommandLineFlags(int* argc, char*** argv,
     char* arg = (*argv)[i];
 
     // Like getopt(), we permute non-option flags to be at the end.
-    if (arg[0] != '-' || arg[1] == '\0') {	// must be a program argument "-" is an argument, not a flag
+    if (arg[0] != '-' || arg[1] == '\0') {	// must be a program argument: "-" is an argument, not a flag
       memmove((*argv) + i, (*argv) + i+1, (*argc - (i+1)) * sizeof((*argv)[i]));
       (*argv)[*argc-1] = arg;      // we go last
       first_nonopt--;              // we've been pushed onto the stack
       i--;                         // to undo the i++ in the loop
       continue;
     }
-
-    if (arg[0] == '-') arg++;      // allow leading '-'
+    arg++;                     // skip leading '-'
     if (arg[0] == '-') arg++;  // or leading '--'
 
     // -- alone means what it does for GNU: stop options parsing

src/gflags_completions.cc

@@ -550,8 +550,7 @@ static void FinalizeCompletionOutput(
 
   vector<DisplayInfoGroup> output_groups;
   bool perfect_match_found = false;
-  if (lines_so_far < max_desired_lines &&
-      !notable_flags->perfect_match_flag.empty()) {
+  if (!notable_flags->perfect_match_flag.empty()) {
     perfect_match_found = true;
     DisplayInfoGroup group =
         { "",