No need to import __seterror, since this is done in errno.inc.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4704 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/common/putenv.s

@@ -10,7 +10,7 @@
         .import _malloc, _free
         .import searchenv, copyenvptr
         .import __environ, __envcount, __envsize
-        .import __seterrno, return0
+        .import return0
         .import ptr1:zp, ptr2:zp, ptr3:zp, tmp1:zp
 
         .include "errno.inc"
@@ -185,3 +185,4 @@ error:	jsr	__seterrno
 name:           .addr   0               ; Pointer to name
 newsize:        .byte   0               ; New environment size
 
+