x86: build: replace mmx2 by mmxext

Refactoring mmx2/mmxext YASM code with cpuflags will force renames.
So switching to a consistent naming scheme beforehand is sensible.
The name "mmxext" is more official and widespread and also the name
of the CPU flag, as reported e.g. by the Linux kernel.

1 files changed, 1 insertions, 1 deletions

diff --git a/Doxyfile b/Doxyfile
index 457cf5140a..8e0dcf39f9 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -1378,7 +1378,7 @@ PREDEFINED             = "__attribute__(x)=" \
                          "DEF(x)=x ## _TMPL" \
                          HAVE_AV_CONFIG_H \
                          HAVE_MMX \
-                         HAVE_MMX2 \
+                         HAVE_MMXEXT \
                          HAVE_AMD3DNOW \
                          "DECLARE_ALIGNED(a,t,n)=t n" \
                          "offsetof(x,y)=0x42"