Fix compilation issues with GCC 4.8

.gitignore

@@ -38,6 +38,11 @@ Release/
 *.out
 *.app
 
+# Test outputs
+*.gcda
+*.gcno
+*.gcov
+
 # =========================
 # Operating System Files
 # =========================

src/csv_reader.cpp

@@ -23,7 +23,7 @@ namespace csv {
     }
 
     void CSVGuesser::guess_delim() {
-        /** Guess the delimiter of a DSV by scanning the first 100 lines by
+        /** Guess the delimiter of a CSV by scanning the first 100 lines by
          *  First assuming that the header is on the first row
          *  If the first guess returns too few rows, then we move to the second
          *  guess method
@@ -44,7 +44,7 @@ namespace csv {
          */
 
         CSVFormat format = DEFAULT_CSV;
-        char current_delim;
+        char current_delim{','};
         int max_rows = 0;
         int temp_rows = 0;
         size_t max_cols = 0;
@@ -79,7 +79,6 @@ namespace csv {
          */
 
         CSVFormat format = DEFAULT_CSV;
-        char current_delim;
         size_t max_rlen = 0;
         size_t header = 0;
 
@@ -104,7 +103,6 @@ namespace csv {
             if (max->second > guess.records.size() &&
                (max->first > max_rlen)) {
                 max_rlen = max->first;
-                current_delim = guess.delimiter;
                 header = guess.row_when[max_rlen];
             }
         }

src/csv_writer.cpp

@@ -43,7 +43,7 @@ namespace csv {
         /** Open a file for writing
          *  @param[out] outfile Path of the file to be written to
          */
-        this->outfile = std::ofstream(outfile, std::ios_base::binary);
+        this->outfile.open(outfile, std::ios_base::binary);
     }
 
     void CSVWriter::write_row(vector<string> record, bool quote_minimal) {