5595 libzpool won't build with a studio primary

@@ -388,11 +388,10 @@
 
 /* output.c */
 #define CTF_FUZZY_MATCH 0x1 /* match local symbols to global CTF */
 #define CTF_USE_DYNSYM  0x2 /* use .dynsym not .symtab */
 #define CTF_COMPRESS    0x4 /* compress CTF output */
-#define CTF_KEEP_STABS  0x8 /* keep .stabs sections */
 
 void write_ctf(tdata_t *, const char *, const char *, int);
 
 /* parse.c */
 void parse_init(tdata_t *);