syscall: missing initializer in getcwd call
syscall: missing initializer in getcwd call

This one case was missed during the update to stack-based arguments.
Without this fix, m5 will crash during a gwtcwd call, at least
with X86.

kaiyuanl/gem5,markoshorro/gem5,aclifton/cpeg853-gem5,rallylee/gem5,joerocklin/gem5,Weil0ng/gem5,qizenguf/MLC-STT,markoshorro/gem5,SanchayanMaity/gem5,sobercoder/gem5,Weil0ng/gem5,gedare/gem5,sobercoder/gem5,powerjg/gem5-ci-test,rjschof/gem5,austinharris/gem5-riscv,zlfben/gem5,kaiyuanl/gem5,Weil0ng/gem5,qizenguf/MLC-STT,austinharris/gem5-riscv,gem5/gem5,gem5/gem5,kaiyuanl/gem5,Weil0ng/gem5,rallylee/gem5,gedare/gem5,gedare/gem5,TUD-OS/gem5-dtu,HwisooSo/gemV-update,yb-kim/gemV,KuroeKurose/gem5,austinharris/gem5-riscv,gem5/gem5,briancoutinho0905/2dsampling,austinharris/gem5-riscv,samueldotj/TeeRISC-Simulator,yb-kim/gemV,Weil0ng/gem5,aclifton/cpeg853-gem5,TUD-OS/gem5-dtu,powerjg/gem5-ci-test,joerocklin/gem5,joerocklin/gem5,rjschof/gem5,samueldotj/TeeRISC-Simulator,joerocklin/gem5,aclifton/cpeg853-gem5,yb-kim/gemV,powerjg/gem5-ci-test,gedare/gem5,Weil0ng/gem5,TUD-OS/gem5-dtu,cancro7/gem5,yb-kim/gemV,SanchayanMaity/gem5,sobercoder/gem5,powerjg/gem5-ci-test,SanchayanMaity/gem5,yb-kim/gemV,joerocklin/gem5,markoshorro/gem5,qizenguf/MLC-STT,SanchayanMaity/gem5,zlfben/gem5,zlfben/gem5,briancoutinho0905/2dsampling,yb-kim/gemV,aclifton/cpeg853-gem5,zlfben/gem5,zlfben/gem5,TUD-OS/gem5-dtu,kaiyuanl/gem5,SanchayanMaity/gem5,cancro7/gem5,briancoutinho0905/2dsampling,rallylee/gem5,TUD-OS/gem5-dtu,powerjg/gem5-ci-test,rjschof/gem5,rallylee/gem5,qizenguf/MLC-STT,austinharris/gem5-riscv,gedare/gem5,briancoutinho0905/2dsampling,KuroeKurose/gem5,SanchayanMaity/gem5,markoshorro/gem5,KuroeKurose/gem5,samueldotj/TeeRISC-Simulator,gem5/gem5,briancoutinho0905/2dsampling,zlfben/gem5,samueldotj/TeeRISC-Simulator,markoshorro/gem5,markoshorro/gem5,HwisooSo/gemV-update,rallylee/gem5,cancro7/gem5,rallylee/gem5,kaiyuanl/gem5,gedare/gem5,sobercoder/gem5,sobercoder/gem5,aclifton/cpeg853-gem5,joerocklin/gem5,gedare/gem5,rjschof/gem5,rjschof/gem5,HwisooSo/gemV-update,briancoutinho0905/2dsampling,KuroeKurose/gem5,cancro7/gem5,aclifton/cpeg853-gem5,markoshorro/gem5,gem5/gem5,gem5/gem5,rjschof/gem5,powerjg/gem5-ci-test,gem5/gem5,zlfben/gem5,KuroeKurose/gem5,sobercoder/gem5,yb-kim/gemV,austinharris/gem5-riscv,kaiyuanl/gem5,kaiyuanl/gem5,KuroeKurose/gem5,rallylee/gem5,TUD-OS/gem5-dtu,joerocklin/gem5,cancro7/gem5,qizenguf/MLC-STT,cancro7/gem5,TUD-OS/gem5-dtu,cancro7/gem5,aclifton/cpeg853-gem5,samueldotj/TeeRISC-Simulator,samueldotj/TeeRISC-Simulator,samueldotj/TeeRISC-Simulator,Weil0ng/gem5,HwisooSo/gemV-update,sobercoder/gem5,yb-kim/gemV,HwisooSo/gemV-update,joerocklin/gem5,rjschof/gem5,qizenguf/MLC-STT,SanchayanMaity/gem5,austinharris/gem5-riscv,powerjg/gem5-ci-test,HwisooSo/gemV-update,KuroeKurose/gem5,briancoutinho0905/2dsampling,qizenguf/MLC-STT,HwisooSo/gemV-update