Minor, re-add unused mark to some of ragel defined state machines (#1005)

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

@@ -1129,7 +1129,7 @@ static const int indic_syllable_machine_en_main = 166;
 static void
 find_syllables (hb_buffer_t *buffer)
 {
-  unsigned int p, pe, eof, ts, te, act;
+  unsigned int p, pe, eof, ts HB_UNUSED, te, act;
   int cs;
   hb_glyph_info_t *info = buffer->info;
   

src/hb-ot-shape-complex-indic-machine.rl

@@ -104,7 +104,7 @@ main := |*
 static void
 find_syllables (hb_buffer_t *buffer)
 {
-  unsigned int p, pe, eof, ts, te, act;
+  unsigned int p, pe, eof, ts HB_UNUSED, te, act;
   int cs;
   hb_glyph_info_t *info = buffer->info;
   %%{

src/hb-ot-shape-complex-khmer-machine.hh

@@ -173,7 +173,7 @@ static const int khmer_syllable_machine_en_main = 10;
 static void
 find_syllables (hb_buffer_t *buffer)
 {
-  unsigned int p, pe, eof, ts, te, act;
+  unsigned int p, pe, eof, ts HB_UNUSED, te, act HB_UNUSED;
   int cs;
   hb_glyph_info_t *info = buffer->info;
   

src/hb-ot-shape-complex-khmer-machine.rl

@@ -86,7 +86,7 @@ main := |*
 static void
 find_syllables (hb_buffer_t *buffer)
 {
-  unsigned int p, pe, eof, ts, te, act;
+  unsigned int p, pe, eof, ts HB_UNUSED, te, act HB_UNUSED;
   int cs;
   hb_glyph_info_t *info = buffer->info;
   %%{

src/hb-ot-shape-complex-myanmar-machine.hh

@@ -294,7 +294,7 @@ static const int myanmar_syllable_machine_en_main = 0;
 static void
 find_syllables (hb_buffer_t *buffer)
 {
-  unsigned int p, pe, eof, ts, te, act;
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
   int cs;
   hb_glyph_info_t *info = buffer->info;
   

src/hb-ot-shape-complex-myanmar-machine.rl

@@ -106,7 +106,7 @@ main := |*
 static void
 find_syllables (hb_buffer_t *buffer)
 {
-  unsigned int p, pe, eof, ts, te, act;
+  unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
   int cs;
   hb_glyph_info_t *info = buffer->info;
   %%{

src/hb-ot-shape-complex-use-machine.hh

@@ -331,7 +331,7 @@ static const int use_syllable_machine_en_main = 4;
 static void
 find_syllables (hb_buffer_t *buffer)
 {
-  unsigned int p, pe, eof, ts, te, act;
+  unsigned int p, pe, eof, ts HB_UNUSED, te, act;
   int cs;
   hb_glyph_info_t *info = buffer->info;
   

src/hb-ot-shape-complex-use-machine.rl

@@ -153,7 +153,7 @@ main := |*
 static void
 find_syllables (hb_buffer_t *buffer)
 {
-  unsigned int p, pe, eof, ts, te, act;
+  unsigned int p, pe, eof, ts HB_UNUSED, te, act;
   int cs;
   hb_glyph_info_t *info = buffer->info;
   %%{