Hi,

Several tests use alloca() to allocate memory. But alloca() is not part of
C99, and on OpenBSD this leads to linking errors since the NetSurf build
system specifies -std=c99:

LINK: build-OpenBSD-OpenBSD-release-lib-shared/test_parser
cc -o build-OpenBSD-OpenBSD-release-lib-shared/test_parser 
build-OpenBSD-OpenBSD-release-lib-shared/test_parser.o 
-Lbuild-OpenBSD-OpenBSD-release-lib-shared/ -lhubbub -g -L/usr/local/lib 
-liconv -L/usr/local/lib -ljson-c
build-OpenBSD-OpenBSD-release-lib-shared/test_parser.o(.text+0x578): In 
function `run_test':
test/parser.c:28: undefined reference to `alloca'
collect2: ld returned 1 exit status

These are the files that use alloca():

libhubbub:
test/parser.c
test/tokeniser2.c
test/tokeniser3.c
test/tree.c

libcss:
test/css21.c
test/parse-auto.c

libparserutils:
test/cscodec-8859.c
test/cscodec-ext8.c
test/cscodec-utf8.c
test/cscodec-utf16.c

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