Fix issue introduced in 9e03c23f0f2b7f03a754aec7459d80a5370b427d.
Fix issue introduced in 9e03c23f0f2b7f03a754aec7459d80a5370b427d.

Variadic functions can't return from within a `va_start` ... `va_end block.

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