graphics/ldglite.SlackBuild: Change i486 to i586

graphics/ldglite/ldglite.SlackBuild

@@ -37,7 +37,7 @@ SRCVERSION=$(echo $VERSION | tr . _)
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -56,8 +56,8 @@ PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
 # We cannot use -O2 - compilation will crash
-if [ "$ARCH" = "i486" ]; then
-  SLKCFLAGS="-march=i486 -mtune=i686"
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-march=i586 -mtune=i686"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-march=i686 -mtune=i686"