Log message

Add 9 test files that exercise all combinations of file, procedure, and
string data sources in Type 3 image with separate data sources.
This didn't work on gs before rev. 10300.

	Add	/tests/ps/type3image-file-file.ps	diff
	Add	/tests/ps/type3image-file-proc.ps	diff
	Add	/tests/ps/type3image-file-string.ps	diff
	Add	/tests/ps/type3image-proc-file.ps	diff
	Add	/tests/ps/type3image-proc-proc.ps	diff
	Add	/tests/ps/type3image-proc-string.ps	diff
	Add	/tests/ps/type3image-string-file.ps	diff
	Add	/tests/ps/type3image-string-proc.ps	diff
	Add	/tests/ps/type3image-string-string.ps	diff