Rename the pixel conversion performance test

We want to have other tests related to pixel conversion, so avoid
possible naming conflicts.

tests/CMakeLists.txt

@@ -2,5 +2,5 @@ include_directories(${CMAKE_SOURCE_DIR}/common)
 
 add_library(test_util STATIC util.cxx)
 
-add_executable(pixelconv pixelconv.cxx)
-target_link_libraries(pixelconv test_util rfb)
+add_executable(convperf convperf.cxx)
+target_link_libraries(convperf test_util rfb)

tests/pixelconv.cxx → tests/convperf.cxx

@@ -120,7 +120,7 @@ int main(int argc, char **argv)
   time(&t);
   strftime(datebuffer, sizeof(datebuffer), "%Y-%m-%d %H:%M UTC", gmtime(&t));
 
-  printf("# Pixel Conversion Test %s\n", datebuffer);
+  printf("# Pixel Conversion Performance Test %s\n", datebuffer);
   printf("#\n");
   printf("# Frame buffer: %dx%d pixels\n", fbsize, fbsize);
   printf("# Tile size: %dx%d pixels\n", tile, tile);