Fix wrong command-line options in man page.
Fix wrong command-line options in man page.

Closes issue #1012.

plusvic/yara,wxsBSD/yara,hillu/yara,VirusTotal/yara,plusvic/yara,pombredanne/yara,VirusTotal/yara,pombredanne/yara,VirusTotal/yara,hillu/yara,VirusTotal/yara,pombredanne/yara,pombredanne/yara,plusvic/yara,cblichmann/yara,wxsBSD/yara,cblichmann/yara,plusvic/yara,plusvic/yara,hillu/yara,wxsBSD/yara,hillu/yara,wxsBSD/yara,pombredanne/yara,VirusTotal/yara,cblichmann/yara,cblichmann/yara,hillu/yara,cblichmann/yara,wxsBSD/yara