Capitalize first letter of type name in simd-mandelbrot
Capitalize first letter of type name in simd-mandelbrot

Change type name from all lower case to first Character upper case
SIMD.float32x4 -> SIMD.Float32x4
SIMD.int32x4 -> SIMD.Int32x4

Details refer https://crosswalk-project.org/jira/browse/XWALK-4766

zqzhang/crosswalk-samples,crosswalk-project/crosswalk-samples,zqzhang/crosswalk-samples,crosswalk-project/crosswalk-samples,haoxli/crosswalk-samples,zqzhang/crosswalk-samples,haoxli/crosswalk-samples,rakuco/crosswalk-samples,crosswalk-project/crosswalk-samples,zqzhang/crosswalk-samples,haoxli/crosswalk-samples,rakuco/crosswalk-samples,crosswalk-project/crosswalk-samples,rakuco/crosswalk-samples,crosswalk-project/crosswalk-samples,haoxli/crosswalk-samples,rakuco/crosswalk-samples