Fixed a possible uninitialized variable.
Fixed a possible uninitialized variable.

Danath/libmv,tanmengwen/libmv,tanmengwen/libmv,leoujz/libmv,pombreda/libmv,guivi01/libmv,Danath/libmv,Ashwinning/libmv,sanyaade-g2g-repos/libmv,sanyaade-g2g-repos/libmv,hjm168168/libmv,jackyspeed/libmv,pombreda/libmv,KangKyungSoo/libmv,Ashwinning/libmv,sanyaade-g2g-repos/libmv,hjm168168/libmv,jackyspeed/libmv,Shinohara-Takayuki/libmv,Shinohara-Takayuki/libmv,hjm168168/libmv,guivi01/libmv,tanmengwen/libmv,tanmengwen/libmv,KangKyungSoo/libmv,jackyspeed/libmv,Danath/libmv,Shinohara-Takayuki/libmv,KangKyungSoo/libmv,pombreda/libmv,Danath/libmv,Ashwinning/libmv,pombreda/libmv,KangKyungSoo/libmv,leoujz/libmv,leoujz/libmv,manjunathnarayana/libmv,Ashwinning/libmv,manjunathnarayana/libmv,guivi01/libmv,jackyspeed/libmv,manjunathnarayana/libmv,Shinohara-Takayuki/libmv,sanyaade-g2g-repos/libmv,hjm168168/libmv,leoujz/libmv,manjunathnarayana/libmv,guivi01/libmv