pixelflinger: Fix function naming typo: gglBitBlti

From the functionality, the function gglBitBlti() implemented bit-block
(image) transfer operation in which several bitmaps are combined into
one using a raster operator.  Renaming to gglBitBlit() should be
explicit.

Change-Id: I23886623b5421131cf7c7bfb8ec67c3809566c93
diff --git a/include/pixelflinger/pixelflinger.h b/include/pixelflinger/pixelflinger.h
index dca0b90..8a2b442 100644
--- a/include/pixelflinger/pixelflinger.h
+++ b/include/pixelflinger/pixelflinger.h
@@ -315,7 +315,7 @@
 ssize_t gglInit(GGLContext** context);
 ssize_t gglUninit(GGLContext* context);
 
-GGLint gglBitBlti(
+GGLint gglBitBlit(
         GGLContext* c,
         int tmu,
         GGLint crop[4],