修复在OS X下，当前shell第一次执行nvm会找不到命令的问题。#80
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JunqiangTan wants to merge 1 commit intoalsotang:masterfrom
JunqiangTan:master
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修复在OS X下，当前shell第一次执行nvm会找不到命令的问题。#80JunqiangTan wants to merge 1 commit intoalsotang:masterfrom JunqiangTan:master
JunqiangTan wants to merge 1 commit intoalsotang:masterfrom
JunqiangTan:master
