Fixed JSLint warning.
Fixed JSLint warning.

balazj/otrs,eliasp/otrs,muehlbauer/otrs,balazj/otrs,capeit-tto/otrs,muehlbauer/otrs,crythias/otrs,MBRG/otrs,thorsteneckel/otrs,crythias/otrs,PortgasDAce/otrs,mburggraf/otrs,mburggraf/otrs,rudy500/otrs,noritnk/otrs,MBRG/otrs,xhoy/otrs,s7design/otrs,thorsteneckel/otrs,s7design/otrs,moritz/otrs,eliasp/otrs,oiami/otrs,mbeijen/otrs-1,nilei/otrs,vlascoder/otrs,nilei/otrs,MBRG/otrs,mburggraf/otrs,muehlbauer/otrs,rudy500/otrs,capeit-tto/otrs,rudy500/otrs,brandonshults01/otrs,noritnk/otrs,linearregression/otrs,crythias/otrs,balazj/otrs,crythias/otrs,PortgasDAce/otrs,eliasp/otrs,thorsteneckel/otrs,eliasp/otrs,brandonshults01/otrs,s7design/otrs,mburggraf/otrs,nilei/otrs,rudy500/otrs,moritz/otrs,linearregression/otrs,balazj/otrs,StCyr/otrs,brandonshults01/otrs,PortgasDAce/otrs,nilei/otrs,s7design/otrs,linearregression/otrs,brandonshults01/otrs,oiami/otrs,StCyr/otrs,capeit-tto/otrs,StCyr/otrs,oiami/otrs,mburggraf/otrs,vlascoder/otrs,StCyr/otrs,noritnk/otrs,linearregression/otrs,muehlbauer/otrs,xhoy/otrs,PortgasDAce/otrs,thorsteneckel/otrs,MBRG/otrs,balazj/otrs,mbeijen/otrs-1,xhoy/otrs,oiami/otrs,oiami/otrs,PortgasDAce/otrs,moritz/otrs,rudy500/otrs,xhoy/otrs,thorsteneckel/otrs,xhoy/otrs,vlascoder/otrs,linearregression/otrs,brandonshults01/otrs,moritz/otrs,moritz/otrs,StCyr/otrs,mbeijen/otrs-1,MBRG/otrs,eliasp/otrs,nilei/otrs,crythias/otrs,muehlbauer/otrs,s7design/otrs