build: don't link against liblog on host system · nodejs/node@6945aa7

build: don't link against liblog on host system · nodejs/node@6945aa7

Original file line number	Diff line number	Diff line change
`@@ -301,9 +301,13 @@`
`301`	`301`	`}],`
`302`	`302`	`],`
`303`	`303`	`}],`
`304`		`- [ 'OS=="android"', {`
`305`		`-'defines': ['_GLIBCXX_USE_C99_MATH'],`
`306`		`-'libraries': [ '-llog' ],`
	`304`	`+ ['OS=="android"', {`
	`305`	`+'target_conditions': [`
	`306`	`+ ['_toolset=="target"', {`
	`307`	`+'defines': [ '_GLIBCXX_USE_C99_MATH' ],`
	`308`	`+'libraries': [ '-llog' ],`
	`309`	`+ }],`
	`310`	`+ ],`
`307`	`311`	`}],`
`308`	`312`	`['OS=="mac"', {`
`309`	`313`	`'defines': ['_DARWIN_USE_64_BIT_INODE=1'],`