Mesa (master): print err msg if unable to open shader file

[Brian Paul]

Module: Mesa
Branch: master
Commit: 35a9f1bccf2284c853cd20ccf2192ebc382a4706
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=35a9f1bccf2284c853cd20ccf2192ebc382a4706

Author: Brian Paul <brian.paul at tungstengraphics.com>
Date:   Tue Nov  4 15:19:28 2008 -0700

print err msg if unable to open shader file

---

 progs/util/shaderutil.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/progs/util/shaderutil.c b/progs/util/shaderutil.c
index 4f17dd7..7458513 100644
--- a/progs/util/shaderutil.c
+++ b/progs/util/shaderutil.c
@@ -80,6 +80,7 @@ CompileShaderFile(GLenum shaderType, const char *filename)
 
    FILE *f = fopen(filename, "r");
    if (!f) {
+      fprintf(stderr, "Unable to open shader file %s\n", filename);
       return 0;
    }