Hi! This bug has been fixed upstream, and the fix is included in what you uploaded this Thursday. However, the package still doesn't build due to the symbols file listing architectures by hand.
A trivial patch attached. -- A tit a day keeps the vet away.
--- debian/libnspr4.symbols~ 2014-02-08 02:50:41.000000000 +0100 +++ debian/libnspr4.symbols 2014-03-22 22:53:29.220110011 +0100 @@ -399,10 +399,10 @@ (arch=amd64 kfreebsd-amd64)_PR_x86_64_AtomicDecrement@Base 1.8.0.10 (arch=amd64 kfreebsd-amd64)_PR_x86_64_AtomicIncrement@Base 1.8.0.10 (arch=amd64 kfreebsd-amd64)_PR_x86_64_AtomicSet@Base 1.8.0.10 - (arch=i386 kfreebsd-i386 hurd-i386)_PR_x86_AtomicAdd@Base 1.8.0.10 - (arch=i386 kfreebsd-i386 hurd-i386)_PR_x86_AtomicDecrement@Base 1.8.0.10 - (arch=i386 kfreebsd-i386 hurd-i386)_PR_x86_AtomicIncrement@Base 1.8.0.10 - (arch=i386 kfreebsd-i386 hurd-i386)_PR_x86_AtomicSet@Base 1.8.0.10 + (arch=i386 kfreebsd-i386 hurd-i386 x32)_PR_x86_AtomicAdd@Base 1.8.0.10 + (arch=i386 kfreebsd-i386 hurd-i386 x32)_PR_x86_AtomicDecrement@Base 1.8.0.10 + (arch=i386 kfreebsd-i386 hurd-i386 x32)_PR_x86_AtomicIncrement@Base 1.8.0.10 + (arch=i386 kfreebsd-i386 hurd-i386 x32)_PR_x86_AtomicSet@Base 1.8.0.10 (arch=ia64)_PR_ia64_AtomicAdd@Base 1.8.0.10 (arch=ia64)_PR_ia64_AtomicDecrement@Base 1.8.0.10 (arch=ia64)_PR_ia64_AtomicIncrement@Base 1.8.0.10
