pxelinux: add colon to label by itself

Newer versions of NASM warn about a label on a line by itself (because
it could have been a typoed opcode.)  Add a colon.

diff --git a/core/pxelinux.asm b/core/pxelinux.asm
index ce3250b..fccf82f 100644 (file)
--- a/core/pxelinux.asm
+++ b/core/pxelinux.asm
@@ -1552,7 +1552,7 @@ is_gpxe:
                jmp .again
 
                section .data
-gpxe_warning_msg
+gpxe_warning_msg:
                db 'URL syntax, but gPXE extensions not detected, '
                db 'trying plain TFTP...', CR, LF, 0
 HasGPXE                db -1                   ; Unknown