utf-8.ly when building on cygwin

[Bertalan Fodor]

I think that when the fonts for utf-8 are missing cygwin build fails. I 
think it should not fail.

See this log:

Renaming input to: `utf-8.ly'
Interpreting music... [3]
Preprocessing graphical objects...
Calculating line breaks... [3][5]
Writing header field `texidoc' to `lily-1125831446.texidoc'...
Writing header field `texidoc' to `lily-1125831446.texidoc'...
Writing lily-1125831446-systems.tex...
Writing lily-1125831446-systems.texi...
Layout output to 
`lily-1125831446-1.eps'.../netrel/build/lilypond-2.6.0/share/li
lypond/2.6.0/scm/framework-ps.scm:316:9: In procedure 
scm_allocate_string in exp
ression (ly:ttf->pfa file-name):
/netrel/build/lilypond-2.6.0/share/lilypond/2.6.0/scm/framework-ps.scm:316:9: 
Ar
gument 1 out of range: 48156387
lilypond-book.py: warning: `lilypond' failed (status 2) (ignored)

lilypond-book.py: error: Process 
/netrel/build/lilypond-2.6.0/lily/out/lilypond
--backend=eps --formats=ps,png --header=texidoc -I 
/netrel/src/lilypond-2.6.0/in
put/test -dinternal-type-checking -danti-alias-factor=2  -I 
/netrel/src/lilypond
-2.6.0/Documentation/user  -I 
/netrel/src/lilypond-2.6.0/Documentation/user  -I
/netrel/build/lilypond-2.6.0/Documentation/user/out-www  -I 
/netrel/src/lilypond
-2.6.0/input  -I /netrel/src/lilypond-2.6.0/input/regression  -I 
/netrel/src/lil
ypond-2.6.0/input/test  -I /netrel/src/lilypond-2.6.0/input/tutorial  -I 
/netrel
/build/lilypond-2.6.0/mf/out  -I /netrel/build/lilypond-2.6.0/mf/out 
snippet-map
.ly lily-1084638653 lily-964469609 lily-9672607 lily-535874816 
lily-374228481 li
ly-79128741 lily-711396926 lily-1439822179 lily-2114949871 
lily-1125831446 lily-
1354065324 lily-2133679389 lily-1401925379 lily-282047444 
lily-1136854159 lily-1
412464992 lily-1543518453 lily-1521353622 lily-1125740646 lily-570679247 
lily-79
2782902 lily-1798116211 lily-133189907 lily-756728656 lily-2063866700 
lily-90802
1564 lily-899728715 lily-1856238822 lily-722400020 lily-489976442 
lily-562418937
lily-1307163500 lily-1423643786 lily-468332132 lily-1753088182 
lily-1984740821
lily-738436500 lily-843705898 lily-590820286 lily-2122562766 
lily-1665703484 lil
y-1820355364 lily-1930754197 lily-1387683808 lily-157705528 
lily-1873883148 lily
-1247499057 lily-784049242 lily-1355129881 lily-252181630 
lily-1244928163 lily-1
092966166 lily-399558878 lily-1198924295 lily-477267483 lily-1048450658 
lily-196
7622382 lily-848789672 lily-384044285 lily-1607114724 lily-995163900 
lily-802394
310 lily-1444932195 exited unsuccessfully.
Removing `advanced-notation.texi'
Removing `lilypond.texi'
Traceback (most recent call last):
 File "/netrel/src/lilypond-2.6.0/scripts/lilypond-book.py", line 1616, 
in ?
   main ()
 File "/netrel/src/lilypond-2.6.0/scripts/lilypond-book.py", line 1599, 
in main

   ly.exit (1)
 File "/netrel/build/lilypond-2.6.0/python/out/lilylib.py", line 139, 
in exit
   raise _ ('Exiting (%d)...') % i
Exiting (1)...
make[3]: *** 
[/netrel/build/lilypond-2.6.0/Documentation/user/out-www/lilypond.t
exi] Error 1
make[3]: Leaving directory `/netrel/src/lilypond-2.6.0/Documentation/user'
make[2]: *** [WWW] Error 2
make[2]: Leaving directory `/netrel/src/lilypond-2.6.0/Documentation'
make[1]: *** [WWW] Error 2
make[1]: Leaving directory `/netrel/src/lilypond-2.6.0'
make: *** [web] Error 2
+ exit 1
+ atexit
+ :