Make mnrn15 consistent upon usage by multiple thread.
Make mnrn15 consistent upon usage by multiple thread.

The results are now correct but not reproduceable, the stream of random number in all the thread
are intermingled.

karies/root,BerserkerTroll/root,BerserkerTroll/root,bbockelm/root,olifre/root,karies/root,root-mirror/root,karies/root,BerserkerTroll/root,simonpf/root,agarciamontoro/root,davidlt/root,karies/root,davidlt/root,olifre/root,mhuwiler/rootauto,olifre/root,bbockelm/root,BerserkerTroll/root,davidlt/root,zzxuanyuan/root,bbockelm/root,karies/root,davidlt/root,zzxuanyuan/root,root-mirror/root,olifre/root,davidlt/root,zzxuanyuan/root,simonpf/root,zzxuanyuan/root,simonpf/root,bbockelm/root,simonpf/root,root-mirror/root,olifre/root,mhuwiler/rootauto,root-mirror/root,karies/root,root-mirror/root,karies/root,zzxuanyuan/root,BerserkerTroll/root,mhuwiler/rootauto,bbockelm/root,mhuwiler/rootauto,root-mirror/root,olifre/root,zzxuanyuan/root,olifre/root,mhuwiler/rootauto,zzxuanyuan/root,olifre/root,bbockelm/root,davidlt/root,simonpf/root,davidlt/root,mhuwiler/rootauto,bbockelm/root,root-mirror/root,davidlt/root,mhuwiler/rootauto,olifre/root,agarciamontoro/root,olifre/root,agarciamontoro/root,agarciamontoro/root,agarciamontoro/root,simonpf/root,BerserkerTroll/root,davidlt/root,agarciamontoro/root,root-mirror/root,davidlt/root,simonpf/root,agarciamontoro/root,BerserkerTroll/root,simonpf/root,bbockelm/root,zzxuanyuan/root,karies/root,BerserkerTroll/root,agarciamontoro/root,karies/root,karies/root,bbockelm/root,BerserkerTroll/root,bbockelm/root,agarciamontoro/root,simonpf/root,mhuwiler/rootauto,BerserkerTroll/root,agarciamontoro/root,root-mirror/root,simonpf/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,zzxuanyuan/root,mhuwiler/rootauto,davidlt/root,zzxuanyuan/root,zzxuanyuan/root,mhuwiler/rootauto,simonpf/root,agarciamontoro/root,zzxuanyuan/root,BerserkerTroll/root,bbockelm/root,mhuwiler/rootauto