[Indic] Form Telugu Reph out of Ra,Virama,ZWJ

Apparently this was approved in Feb 2012.  No font yet.

src/hb-ot-shape-complex-indic-private.hh

@@ -177,7 +177,7 @@ static const hb_codepoint_t ra_chars[] = {
   0x0AB0, /* Gujarati */
   0x0B30, /* Oriya */
   0x0BB0, /* Tamil */		/* No Reph */
-  0x0C30, /* Telugu */		/* No Reph */
+  0x0C30, /* Telugu */		/* Reph formed only with ZWJ */
   0x0CB0, /* Kannada */
   0x0D30, /* Malayalam */	/* No Reph, Logical Repha */
 

src/hb-ot-shape-complex-indic.cc

@@ -471,8 +471,8 @@ initial_reordering_consonant_syllable (const hb_ot_map_t *map, hb_buffer_t *buff
 	start + 3 <= end &&
 	info[start].indic_category() == OT_Ra &&
 	info[start + 1].indic_category() == OT_H &&
-	(unlikely (buffer->props.script == HB_SCRIPT_SINHALA) ?
-	 info[start + 2].indic_category() == OT_ZWJ /* In Sinhala, form Reph only if ZWJ is present */:
+	(unlikely (buffer->props.script == HB_SCRIPT_SINHALA || buffer->props.script == HB_SCRIPT_TELUGU) ?
+	 info[start + 2].indic_category() == OT_ZWJ /* In Sinhala & Telugu, form Reph only if ZWJ is present */:
 	 !is_joiner (info[start + 2] /* In other scripts, any joiner blocks Reph formation */ )
 	))
     {