Fix spl dependency version replace

Add new sed statement to replace this single occurrence.

build.sh

@@ -112,17 +112,25 @@ update_pkgbuilds() {
     SED_CUR_LIN_VER=$(sed_escape_input_string $CUR_LINUX_VER)
     SED_CUR_ZFS_VER=$(sed_escape_input_string $CUR_ZFS_VER)
 
+    CUR_DEPEND_VER=${CUR_ZFS_VER}_${CUR_LINUX_VER}-$CUR_PKGREL_VER
+    NEW_DEPEND_VER=${ZOL_VERSION}_${LINUX_VERSION}-$PKGREL
+
     # echo "CUR_ZFS_VER: $CUR_ZFS_VER"
     # echo "CUR_PKGREL_VER: $CUR_PKGREL_VER"
     # echo "CUR_LINUX_VER: $CUR_LINUX_VER"
     # echo "CUR_LINUX_PKGREL: $CUR_LINUX_PKGREL"
     # echo "SED_CUR_LIN_VER: $SED_CUR_LIN_VER"
     # echo "SED_CUR_ZFS_VER: $SED_CUR_ZFS_VER"
+    # echo "CUR_DEPEND_VER: $CUR_DEPEND_VER"
+    # echo "NEW_DEPEND_VER: $NEW_DEPEND_VER"
 
     # Change the top level PKGREL
     find . -iname "PKGBUILD" -print | xargs sed -i \
         "s/pkgrel=$CUR_PKGREL_VER/pkgrel=$PKGREL/g"
 
+    # Change the spl version number in zfs/PKGBUILD
+    sed -i "s/$CUR_DEPEND_VER/$NEW_DEPEND_VER/g" zfs/PKGBUILD
+
     # Replace the ZFS version
     find . -iname "PKGBUILD" -print | xargs sed -i \
         "s/$SED_CUR_ZFS_VER/$ZOL_VERSION/g"