MDL-70769 libraries: Upgrade mimetex to 1.77 version

Upgrade mimetex to version 1.77. The steps followed
remained the same described in readme_moodle.txt.
This time we have made support for 64 bit architecture.
Hence all the binaries created now work with 64 bit only.
Following are the binaries which are upgraded:
1. Linux
2. Arm(aarch64)
3. Windows(exe)
4. Freebsd
5. Mac(darwin)

Signed-off-by: Sujith Haridasan <[email protected]>

filter/tex/readme_moodle.txt

@@ -1,13 +1,13 @@
-Description of mimeTeX v 1.74 import into Moodle
+Description of mimeTeX v 1.77 import into Moodle
 
 Compiling mimeTeX:
 
 Windows
 =======
-1/ get "Automated MinGW Installer" from https://sourceforge.net/projects/mingw/files/
+1/ get "Automated MinGW-w64 Installer" from https://sourceforge.net/projects/mingw-w64/
 2/ install mingw
 3/ go into directory with extracted source files
-4/ execute "set path=%path%;c:\mingw\bin"
+4/ execute "set path=%path%;c:\mingw-w64\bin"
 5/ execute "c:\mingw\bin\gcc -DAA -DWINDOWS mimetex.c gifsave.c -lm -o mimetex.exe"
 
 Linux
@@ -34,4 +34,5 @@ Apple OSX
 3/ execute "cc -DAA -arch i386 -arch x86_64 -mmacosx-version-min=10.5 mimetex.c gifsave.c -lm -o mimetex.darwin"
 
 
-Petr Skoda
+Petr Skoda
+Sujith Haridasan

filter/tex/thirdpartylibs.xml

@@ -4,7 +4,7 @@
     <location>mimetex.*</location>
     <name>mimeTeX</name>
     <license>GPL</license>
-    <version>1.74</version>
+    <version>1.77</version>
     <licenseversion>3.0+</licenseversion>
   </library>
 </libraries>