Mesa (master): swrast: fix a few release build warnings

[Brian Paul]

Module: Mesa
Branch: master
Commit: a55831e8fabf3e53802a45d8bd74dbb1986f9754
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a55831e8fabf3e53802a45d8bd74dbb1986f9754

Author: Brian Paul <brianp at vmware.com>
Date:   Mon Feb 23 17:48:00 2015 -0700

swrast: fix a few release build warnings

---

 src/mesa/swrast/s_context.c |    1 +
 src/mesa/swrast/s_span.c    |    1 +
 2 files changed, 2 insertions(+)

diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index cc7d9b3..51cc227 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -251,6 +251,7 @@ _swrast_update_fog_state( struct gl_context *ctx )
    const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
 
    assert(fp == NULL || fp->Base.Target == GL_FRAGMENT_PROGRAM_ARB);
+   (void) fp; /* silence unused var warning */
 
    /* determine if fog is needed, and if so, which fog mode */
    swrast->_FogEnabled = (!_swrast_use_fragment_program(ctx) &&
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 2340fdd..a8dc391 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1468,6 +1468,7 @@ _swrast_read_rgba_span( struct gl_context *ctx, struct gl_renderbuffer *rb,
 	     rb->_BaseFormat == GL_ALPHA);
 
       assert(srb->Map);
+      (void) srb; /* silence unused var warning */
 
       src = _swrast_pixel_address(rb, x + skip, y);