New valgrind warnings in wined3d/arb_program_shader.c

[Dan Kegel]

Hi Stefan,
your recent round of changes (circa
http://www.winehq.org/pipermail/wine-cvs/2008-July/045946.html)
seems to have triggered a whole bunch of valgrind warnings, e.g.

http://kegel.com/wine/valgrind/logs/2008-07-31-07.46/vg-d3d9_visual-diff.txt
+ Use of uninitialised value of size 4
+    at  hash_table_get_by_idx (utils.c:1600)
+    by  hash_table_get (utils.c:1750)
+    by  find_ffp_shader (utils.c:1961)
+    by  fragment_prog_arbfp (arb_program_shader.c:2761)
+    by  ActivateContext (context.c:1169)
+    by  drawPrimitive (drawprim.c:950)
+    by  IWineD3DDeviceImpl_DrawIndexedPrimitiveUP (device.c:5350)
+    by  IDirect3DDevice9Impl_DrawIndexedPrimitiveUP (device.c:1227)
+    by  lighting_test (visual.c:300)
+    by  func_visual (visual.c:9234)
+    by  run_test (test.h:488)
+    by  main (test.h:537)
+  Uninitialised value was created by a stack allocation
+    at  fragment_prog_arbfp (arb_program_shader.c:2745)

http://kegel.com/wine/valgrind/logs/2008-07-31-07.46/vg-ddraw_visual-diff.txt
+ Use of uninitialised value of size 4
+    at  hash_table_get_by_idx (utils.c:1600)
+    by  hash_table_get (utils.c:1750)
+    by  find_ffp_shader (utils.c:1961)
+    by  fragment_prog_arbfp (arb_program_shader.c:2761)
+    by  ActivateContext (context.c:1169)
+    by  drawPrimitive (drawprim.c:950)
+    by  IWineD3DDeviceImpl_DrawIndexedPrimitiveUP (device.c:5350)
+    by  IDirect3DDeviceImpl_7_DrawIndexedPrimitive (device.c:3731)
+    by  IDirect3DDeviceImpl_7_DrawIndexedPrimitive_FPUSetup (device.c:3754)
+    by  lighting_test (visual.c:276)
+    by  func_visual (visual.c:2649)
+    by  run_test (test.h:488)
+    by  main (test.h:537)
+  Uninitialised value was created by a stack allocation
+    at  fragment_prog_arbfp (arb_program_shader.c:2745)

Could you have a look?

Thanks,
Dan