kernel32: treat LS_COLORS/LSCOLORS as special environmental variables

[Austin English]

Similar to 2c0e31cfdcb2325c0d11ce07ecdb81fa0724b8db, should help with
http://bugs.winehq.org/show_bug.cgi?id=1490 and other similar bugs.

On one of my computers, this cuts down the size of env from 1692 to
507 (!) characters.

-- 
-Austin
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diff --git a/dlls/kernel32/process.c b/dlls/kernel32/process.c
index 1ef3e46..603181b 100644
--- a/dlls/kernel32/process.c
+++ b/dlls/kernel32/process.c
@@ -121,6 +121,8 @@ static inline int is_special_env_var( const char *var )
     return (!strncmp( var, "PATH=", sizeof("PATH=")-1 ) ||
             !strncmp( var, "PWD=", sizeof("PWD=")-1 ) ||
             !strncmp( var, "HOME=", sizeof("HOME=")-1 ) ||
+            !strncmp( var, "LSCOLORS=", sizeof("LSCOLORS=")-1 ) ||
+            !strncmp( var, "LS_COLORS=", sizeof("LS_COLORS=")-1 ) ||
             !strncmp( var, "TEMP=", sizeof("TEMP=")-1 ) ||
             !strncmp( var, "TMP=", sizeof("TMP=")-1 ));
 }