am b67c1bac: Fix bug in linker environment variable lookup.

* commit 'b67c1bacd0fc27c26cc3ec19bd2c9ded19cecd08':
  Fix bug in linker environment variable lookup.
diff --git a/linker/linker_environ.c b/linker/linker_environ.c
index 6c5b571..b71dd80 100644
--- a/linker/linker_environ.c
+++ b/linker/linker_environ.c
@@ -110,7 +110,7 @@
     while (envstr[cnt] == name[cnt] && name[cnt] != '\0')
         cnt++;
 
-    if (name[cnt] != '\0' && envstr[cnt] == '=')
+    if (name[cnt] == '\0' && envstr[cnt] == '=')
         return envstr + cnt + 1;
 
     return NULL;