i965/tiled_memcpy: Fix rgba8_copy_16_aligned_dst() typo

Copy and paste error in commit eafeb8db66dae7619ff3cb039706b990d718cba7:

    i965/tiled_memcpy: Unroll bytes==64 case.

Signed-off-by: Kristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
diff --git a/src/mesa/drivers/dri/i965/intel_tiled_memcpy.c b/src/mesa/drivers/dri/i965/intel_tiled_memcpy.c
index b61a842..a549854 100644
--- a/src/mesa/drivers/dri/i965/intel_tiled_memcpy.c
+++ b/src/mesa/drivers/dri/i965/intel_tiled_memcpy.c
@@ -180,10 +180,10 @@
 
 #if defined(__SSSE3__) || defined(__SSE2__)
    if (bytes == 64) {
-      rgba8_copy_16_aligned_dst(dst +  0, src +  0);
-      rgba8_copy_16_aligned_dst(dst + 16, src + 16);
-      rgba8_copy_16_aligned_dst(dst + 32, src + 32);
-      rgba8_copy_16_aligned_dst(dst + 48, src + 48);
+      rgba8_copy_16_aligned_src(dst +  0, src +  0);
+      rgba8_copy_16_aligned_src(dst + 16, src + 16);
+      rgba8_copy_16_aligned_src(dst + 32, src + 32);
+      rgba8_copy_16_aligned_src(dst + 48, src + 48);
       return dst;
    }