make sure to scan all directories belonging to an assign

[todo]

contrib/vpdf/poppler/poppler/GlobalParams.cc

Lines 222 to 227 in 50b0a01

	#define FONTS_SUBDIR "FONTS:" // TODO: make sure to scan all directories belonging to an assign
	static bool FileExists(const char *path)
	{
	FILE *f = fopen(path, "rb");
	if (f)

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This issue was generated by todo based on a TODO comment in 50b0a01 when #2 was merged. cc @wawatok.