Change 1.0 to 1.7 for vec_unsigned[eo]

Signed-off-by: Bill Schmidt <wschmidt@linux.ibm.com>

Intrinsics_Reference/ch_vec_reference.xml

@@ -36517,7 +36517,7 @@ xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="VIPR.vec-ref">
                 <para> <emphasis role="bold">a</emphasis> </para>
               </entry>
               <entry align="center" spanname="c1" valign="middle">
-                <para>1.0</para>
+                <para>1.7</para>
               </entry>
               <entry align="center" spanname="c2" valign="middle">
                 <para>-1.0</para>
@@ -36654,7 +36654,7 @@ xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="VIPR.vec-ref">
                 <para> <emphasis role="bold">a</emphasis> </para>
               </entry>
               <entry align="center" spanname="c1" valign="middle">
-                <para>1.0</para>
+                <para>1.7</para>
               </entry>
               <entry align="center" spanname="c2" valign="middle">
                 <para>-1.0</para>