include cleanups: remove unused headers and add feature test macros

[musl] / src / regex / regcomp.c

diff --git a/src/regex/regcomp.c b/src/regex/regcomp.c
index 1633754..d907627 100644 (file)
--- a/src/regex/regcomp.c
+++ b/src/regex/regcomp.c
@@ -30,7 +30,6 @@
 */
 
 #include <string.h>
-#include <errno.h>
 #include <stdlib.h>
 #include <regex.h>
 #include <limits.h>