Fix printing of size of matrix and vectors in the compiler.
Fix printing of size of matrix and vectors in the compiler.

We would print non-casted unsigned char output, giving an an ascii
code on output, instead of printing the integer value of the size
field.

BUG=angle:539

Change-Id: I963c297d01df6283825d684ada7a34fd535f2550
Reviewed-on: https://chromium-review.googlesource.com/180650
Reviewed-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@chromium.org>
Commit-Queue: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@chromium.org>
Tested-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@chromium.org>
Reviewed-by: Shannon Woods <0f3694938fd5703bd548127ee497e4d604509bef@chromium.org>

MIPS/external-chromium_org-third_party-angle,android-ia/platform_external_chromium_org_third_party_angle,xin3liang/platform_external_chromium_org_third_party_angle,MIPS/external-chromium_org-third_party-angle,jgcaaprom/android_external_chromium_org_third_party_angle,vvuk/angle-old,xin3liang/platform_external_chromium_org_third_party_angle,xin3liang/platform_external_chromium_org_third_party_angle,MIPS/external-chromium_org-third_party-angle,jgcaaprom/android_external_chromium_org_third_party_angle,jgcaaprom/android_external_chromium_org_third_party_angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,android-ia/platform_external_chromium_org_third_party_angle,android-ia/platform_external_chromium_org_third_party_angle,vvuk/angle-old,geekboxzone/lollipop_external_chromium_org_third_party_angle,jgcaaprom/android_external_chromium_org_third_party_angle,vvuk/angle-old,android-ia/platform_external_chromium_org_third_party_angle,xin3liang/platform_external_chromium_org_third_party_angle,vvuk/angle-old,geekboxzone/lollipop_external_chromium_org_third_party_angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,MIPS/external-chromium_org-third_party-angle