Descriptionsyscall: handle empty environment variable values properly on windows
Setenv("AN_ENV_VAR", "") deletes AN_ENV_VAR instead of setting it
to "" at this moment. Also Getenv("AN_ENV_VAR") returns "not found",
if AN_ENV_VAR is "". Change it, so they behave like unix.
Fixes issue 5610
Patch Set 1 #Patch Set 2 : diff -r d3f99f091748 https://go.googlecode.com/hg/ #Patch Set 3 : diff -r d3f99f091748 https://go.googlecode.com/hg/ #
Total comments: 6
Patch Set 4 : diff -r c96951f239c0 https://go.googlecode.com/hg/ #
MessagesTotal messages: 3
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