android: file compile errors w shader_runner.c

On Android -Werror=return-type is set for C code, as such there
are two cases were I've added a return 0 after an assert.

1 files changed, 2 insertions, 0 deletions

diff --git a/tests/shaders/shader_runner.c b/tests/shaders/shader_runner.c
index 5b084cb2..7321d787 100644
--- a/tests/shaders/shader_runner.c
+++ b/tests/shaders/shader_runner.c
@@ -382,6 +382,7 @@ compare(float ref, float value, enum comparison cmp)
 	}
 
 	assert(!"Should not get here.");
+	return 0;
 }
 
 
@@ -401,6 +402,7 @@ comparison_string(enum comparison cmp)
 	}
 
 	assert(!"Should not get here.");
+	return 0;
 }