fix: Split double dot to fix broken unit tests

Author: Stefan Steinhauser

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -1301,7 +1301,7 @@ FileSource FileSource() #FileSource: {
               (
                   LOOKAHEAD(2)
                   token=<S_LONG>
-                  ".."
+                  "." "."
                   token2=<S_LONG>
                   { csvColumn = new CSVColumn(Long.valueOf(token.image), Long.valueOf(token2.image)); }
                 | token=<S_LONG> { csvColumn = new CSVColumn(Long.valueOf(token.image)); }
@@ -1317,7 +1317,7 @@ FileSource FileSource() #FileSource: {
                 (
                     LOOKAHEAD(2)
                     token=<S_LONG>
-                    ".."
+                    "." "."
                     token2=<S_LONG>
                     { csvColumn = new CSVColumn(Long.valueOf(token.image), Long.valueOf(token2.image)); }
                   | token=<S_LONG> { csvColumn = new CSVColumn(Long.valueOf(token.image)); }