Compile error on Debian

```
make clean all
rm -f src/font.o src/glyph.o src/normalize.o src/table_tags.o src/transform.o src/woff2_dec.o
src/woff2_enc.o src/woff2_common.o src/variable_length.o src/woff2_compress.o src/woff2_decompress.o woff2_compress woff2_decompress
make -C brotli/dec clean
make[1]: Entering directory `/home/vagrant/woff2/brotli/dec'
rm -f bit_reader.o decode.o huffman.o safe_malloc.o state.o streams.o
make[1]: Leaving directory `/home/vagrant/woff2/brotli/dec'
make -C brotli/enc clean
make[1]: Entering directory `/home/vagrant/woff2/brotli/enc'
rm -f backward_references.o block_splitter.o brotli_bit_stream.o encode.o encode_parallel.o entropy_encode.o histogram.o literal_cost.o metablock.o static_dict.o streams.o
make[1]: Leaving directory `/home/vagrant/woff2/brotli/enc'
g++ -fno-omit-frame-pointer -no-canonical-prefixes -fno-tree-vrp -std=c++11 -I./brotli/dec/ -I./brotli/enc/ -I./src -c -o src/font.o src/font.cc
g++ -fno-omit-frame-pointer -no-canonical-prefixes -fno-tree-vrp -std=c++11 -I./brotli/dec/ -I./brotli/enc/ -I./src -c -o src/glyph.o src/glyph.cc
g++ -fno-omit-frame-pointer -no-canonical-prefixes -fno-tree-vrp -std=c++11 -I./brotli/dec/ -I./brotli/enc/ -I./src -c -o src/normalize.o src/normalize.cc
g++ -fno-omit-frame-pointer -no-canonical-prefixes -fno-tree-vrp -std=c++11 -I./brotli/dec/ -I./brotli/enc/ -I./src -c -o src/table_tags.o src/table_tags.cc
g++ -fno-omit-frame-pointer -no-canonical-prefixes -fno-tree-vrp -std=c++11 -I./brotli/dec/ -I./brotli/enc/ -I./src -c -o src/transform.o src/transform.cc
g++ -fno-omit-frame-pointer -no-canonical-prefixes -fno-tree-vrp -std=c++11 -I./brotli/dec/ -I./brotli/enc/ -I./src -c -o src/woff2_dec.o src/woff2_dec.cc
src/woff2_dec.cc: In function ‘bool woff2::ConvertWOFF2ToTTF(uint8_t*, size_t, const uint8_t*, size_t)’:
src/woff2_dec.cc:939:49: error: expected ‘)’ before ‘PRIu64’
make: *** [src/woff2_dec.o] Error 1

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.7.2-5' --with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs --enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.7 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --with-arch-32=i586 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
```