Log Message:
tesseract: updated to 5.3.4

5.3.4

Fixes for autoconf, clang and sw builds
Send output of combine_tessdata -d to stdout instead of stderr. Fixes #4149
Move bail_out function before libtoolize check
Improve OCR for an image URL
Fail on curl download errors
Add new parameter curl_cookiefile for curl_easy_setopt
Set User-Agent: header field in HTTP request for curl downloads
Force TCP v4 for socket to ScrollView server. Fixes #3000
Fix some compiler warnings and avoid unnecessary conversions from std::string to \ 
char pointer
Fix a tiny typo in publictypes.h
Fixes for autoconf, clang and sw builds
Other small improvements for code and documentation.