[Minor] Fix build

src/rspamd.c

@@ -43,6 +43,9 @@
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>
 #endif
+#ifdef HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
 #ifdef HAVE_LIBUTIL_H
 #include <libutil.h>
 #endif
@@ -1028,6 +1031,7 @@ rspamd_cld_handler (gint signo, short what, gpointer arg)
 								g_strsignal (WTERMSIG (res)));
 					}
 					else {
+#ifdef HAVE_SYS_RESOURCE_H
 						struct rlimit rlmt;
 						(void)getrlimit (RLIMIT_CORE, &rlmt);
 
@@ -1041,6 +1045,15 @@ rspamd_cld_handler (gint signo, short what, gpointer arg)
 								cur->cores_throttled ? "yes" : "no",
 								(gint64)rlmt.rlim_cur,
 								(gint64)rlmt.rlim_max);
+#else
+						msg_warn_main (
+								"%s process %P terminated abnormally by signal: %s"
+								" but NOT created core file (throttled=%s); ",
+								g_quark_to_string (cur->type),
+								cur->pid,
+								g_strsignal (WTERMSIG (res)),
+								cur->cores_throttled ? "yes" : "no");
+#endif
 					}
 #else
 					msg_warn_main (