The old path was /usr/local/bin, but I think Hans was manually adding the dlls there. If not we can use an ifdef to set this specifically for use with msys2

comment out some dlls for building on Windows with msys2 (we'll see if it turns out we need them later when testing)

remove realpath call and associated code for showing recent files (we get recent files in the native file dialog for free)

fix regression where Pd would eat the first character of a symbol if the symbol contained a double quote.

add another header (not sure if it's supposed to be there, but mingw complains about missing symbols)

Note: this slipped through the cracks because GNU's string.h apparently exposes an object named "index". Compiling under mingw revealed the bug.

many lines of text inside an Object Box can mess up the GUI viewport
* check when the user types "Enter" in an object or message box, and
  grown the svg viewBox if necessary
This should close the corresponding bug

many lines of text inside an Object Box can mess up the GUI viewport
This should fix cases that come from pasting an enormous amount of text
inside the box