wined3d: Properly break in get_argreg() (LLVM/Clang).

[Henri Verbeet]

---
 dlls/wined3d/arb_program_shader.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index ccb86b5..f5db127 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -2611,7 +2611,10 @@ static const char *get_argreg(SHADER_BUFFER *buffer, DWORD argnum, unsigned int
                 case 5: ret = "const5"; break;
                 case 6: ret = "const6"; break;
                 case 7: ret = "const7"; break;
+                default: ret = "unknown constant";
             }
+            break;
+
         default:
             return "unknown";
     }
-- 
1.5.6.4



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