Remove space that snuck in during editing.

Change-Id: Iea196ecb3c236c5257ce57fcff1401a6386c95f9
Reviewed-on: https://code.wireshark.org/review/36601
Reviewed-by: Guy Harris <gharris@sonic.net>

epan/dissectors/file-pcapng.c

@@ -399,7 +399,7 @@ static const value_string block_type_vals[] = {
  *            ID MUST be valid, which means that a matching Darwin Process
  *            Event Block MUST exist.
  */
- 
+
 static const value_string option_code_section_header_vals[] = {
     { 0,  "End of Options" },
     { 1,  "Comment" },