Revert "nasm: update to 2.15.04"

nasm-2.15.04 breaks compilation of dav1d and thus firefox on i686
https://bugzilla.nasm.us/show_bug.cgi?id=3392715

This reverts commit 6dcc85c0d4.

srcpkgs/nasm/template

@@ -1,8 +1,9 @@
 # Template file for 'nasm'
 # Update nasm-doc which is separate to avoid dependency cycles
 pkgname=nasm
-version=2.15.04
-revision=1
+reverts="2.15.04_1"
+version=2.15.03
+revision=2
 build_style=gnu-configure
 make_build_args="all"
 short_desc="80x86 assembler designed for portability and modularity"
@@ -11,7 +12,7 @@ license="BSD-2-Clause"
 homepage="https://www.nasm.us"
 changelog="https://nasm.us/doc/nasmdocc.html"
 distfiles="https://www.nasm.us/pub/nasm/releasebuilds/${version}/nasm-${version}.tar.xz"
-checksum=b0891d23aa083546e7845dfaa0a9109a03f1f57ad0740e7acd07f80df57876d8
+checksum=c0c39a305f08ccf0c5c6edba4294dd2851b3925b6d9642dd1efd62f72829822f
 
 post_install() {
 	vlicense LICENSE