fix headers files

src/lib66/exec/ssexec_service_signal.c

@@ -26,6 +26,7 @@
 #include <oblibs/directory.h>
 #include <oblibs/graph.h>
 #include <oblibs/sastr.h>
+#include <oblibs/environ.h>
 
 #include <skalibs/types.h>
 #include <skalibs/stralloc.h>

src/lib66/exec/ssexec_service_status.c

@@ -27,6 +27,7 @@
 #include <oblibs/files.h>
 #include <oblibs/directory.h>
 #include <oblibs/graph.h>
+#include <oblibs/environ.h>
 
 #include <skalibs/stralloc.h>
 #include <skalibs/genalloc.h>

src/lib66/sanitize/sanitize_init.c

@@ -21,6 +21,7 @@
 #include <oblibs/string.h>
 #include <oblibs/types.h>
 #include <oblibs/sastr.h>
+#include <oblibs/environ.h>
 
 #include <skalibs/types.h>
 #include <skalibs/tai.h>

src/lib66/svc/svc_send_wait.c

@@ -13,6 +13,7 @@
  */
 
 #include <oblibs/log.h>
+#include <oblibs/environ.h>
 
 #include <skalibs/djbunix.h>