Fix an off-by-one flaw in a test.
Fix an off-by-one flaw in a test.

Snaipe/jemalloc,kmiku7/jemalloc,android-ia/platform_external_jemalloc,jemalloc/jemalloc-cmake,xin3liang/platform_external_jemalloc,VRToxin/android_external_jemalloc,lvfeng1130/jemalloc,dxq-git/jemalloc,kmiku7/jemalloc,8l/jemalloc,glandium/jemalloc,vashstorm/jemalloc,VRToxin/android_external_jemalloc,lvfeng1130/jemalloc,wqfish/jemalloc,leebaok/jemalloc-4.2.1-readcode,geekboxzone/lollipop_external_jemalloc,8l/jemalloc,leebaok/jemalloc-4.2.1-readcode,flyfeifan/jemalloc,xin3liang/platform_external_jemalloc,vashstorm/jemalloc,geekboxzone/lollipop_external_jemalloc,cpeterso/jemalloc,TeamExodus/external_jemalloc,flyfeifan/jemalloc,TeamExodus/external_jemalloc,cpeterso/jemalloc,lvfeng1130/jemalloc,geekboxzone/lollipop_external_jemalloc,awreece/jemalloc,lvfeng1130/jemalloc,kmiku7/jemalloc,wfxiang08/jemalloc,CyanogenMod/android_external_jemalloc,lilothar/jemalloc,garoose/jemalloc,vashstorm/jemalloc,lilothar/jemalloc,Dmitry-Me/jemalloc,yy-nm/jemalloc,tempbottle/jemalloc,awreece/jemalloc,AndroidExternal/jemalloc,sudosurootdev/external_jemalloc,wfxiang08/jemalloc,ahmetmircik/jemalloc,wqfish/jemalloc,lilothar/jemalloc,flyfeifan/jemalloc,TeamExodus/external_jemalloc,glandium/jemalloc,android-ia/platform_external_jemalloc,leebaok/jemalloc-4.2.1-readcode,ahmetmircik/jemalloc,garoose/jemalloc,sudosurootdev/external_jemalloc,glandium/jemalloc,wespelee/jemalloc,wfxiang08/jemalloc,AndroidExternal/jemalloc,jemalloc/jemalloc-cmake,shekkbuilder/jemalloc,garoose/jemalloc,CMRemix/android_external_jemalloc,VRToxin/android_external_jemalloc,geekboxzone/mmallow_external_jemalloc,jemalloc/jemalloc-cmake,kmiku7/jemalloc,shekkbuilder/jemalloc,wqfish/jemalloc,AndroidExternal/jemalloc,leebaok/jemalloc-4.2.1-readcode,sudosurootdev/external_jemalloc,8l/jemalloc,dxq-git/jemalloc,tempbottle/jemalloc,AndroidExternal/jemalloc,xin3liang/platform_external_jemalloc,android-ia/platform_external_jemalloc,vashstorm/jemalloc,shekkbuilder/jemalloc,yy-nm/jemalloc,tempbottle/jemalloc,TeamExodus/external_jemalloc,shekkbuilder/jemalloc,xin3liang/platform_external_jemalloc,CyanogenMod/android_external_jemalloc,CyanogenMod/android_external_jemalloc,ahmetmircik/jemalloc,ahmetmircik/jemalloc,Dmitry-Me/jemalloc,Snaipe/jemalloc,tempbottle/jemalloc,CMRemix/android_external_jemalloc,CMRemix/android_external_jemalloc,yy-nm/jemalloc,cpeterso/jemalloc,CMRemix/android_external_jemalloc,dxq-git/jemalloc,wqfish/jemalloc,geekboxzone/lollipop_external_jemalloc,geekboxzone/mmallow_external_jemalloc,jemalloc/jemalloc-cmake,Snaipe/jemalloc,wespelee/jemalloc,flyfeifan/jemalloc,Dmitry-Me/jemalloc,cpeterso/jemalloc,yy-nm/jemalloc,dxq-git/jemalloc,Dmitry-Me/jemalloc,wqfish/jemalloc,awreece/jemalloc,android-ia/platform_external_jemalloc,wespelee/jemalloc,Snaipe/jemalloc,lilothar/jemalloc,geekboxzone/mmallow_external_jemalloc,wfxiang08/jemalloc,CyanogenMod/android_external_jemalloc,glandium/jemalloc,VRToxin/android_external_jemalloc,8l/jemalloc,sudosurootdev/external_jemalloc,garoose/jemalloc,wespelee/jemalloc,awreece/jemalloc,geekboxzone/mmallow_external_jemalloc