Fix compiler warnings in libpixelflinger

Change-Id: I6a5708ae6bc934b196d59d81a6cd550b05ed704f
Signed-off-by: Ashok Bhat <ashok.bhat@arm.com>
diff --git a/libpixelflinger/codeflinger/texturing.cpp b/libpixelflinger/codeflinger/texturing.cpp
index b2cfbb3..81950bf 100644
--- a/libpixelflinger/codeflinger/texturing.cpp
+++ b/libpixelflinger/codeflinger/texturing.cpp
@@ -694,7 +694,7 @@
 }
 
 void GGLAssembler::filter8(
-        const fragment_parts_t& parts,
+        const fragment_parts_t& /*parts*/,
         pixel_t& texel, const texture_unit_t& tmu,
         int U, int V, pointer_t& txPtr,
         int FRAC_BITS)
@@ -761,7 +761,7 @@
 }
 
 void GGLAssembler::filter16(
-        const fragment_parts_t& parts,
+        const fragment_parts_t& /*parts*/,
         pixel_t& texel, const texture_unit_t& tmu,
         int U, int V, pointer_t& txPtr,
         int FRAC_BITS)
@@ -879,10 +879,10 @@
 }
 
 void GGLAssembler::filter24(
-        const fragment_parts_t& parts,
-        pixel_t& texel, const texture_unit_t& tmu,
-        int U, int V, pointer_t& txPtr,
-        int FRAC_BITS)
+        const fragment_parts_t& /*parts*/,
+        pixel_t& texel, const texture_unit_t& /*tmu*/,
+        int /*U*/, int /*V*/, pointer_t& txPtr,
+        int /*FRAC_BITS*/)
 {
     // not supported yet (currently disabled)
     load(txPtr, texel, 0);
@@ -989,8 +989,8 @@
 }
 #else
 void GGLAssembler::filter32(
-        const fragment_parts_t& parts,
-        pixel_t& texel, const texture_unit_t& tmu,
+        const fragment_parts_t& /*parts*/,
+        pixel_t& texel, const texture_unit_t& /*tmu*/,
         int U, int V, pointer_t& txPtr,
         int FRAC_BITS)
 {