dev-libs/nspr: Sync with Gentoo

It's from Gentoo commit efd94c5b640295212a82f5a921c90388ba180a19.

sdk_container/src/third_party/portage-stable/dev-libs/nspr/files/nspr-4.10.6-solaris.patch

@@ -1,32 +0,0 @@
-* drop Solaris linker stuff
-
---- a/configure.in
-+++ b/configure.in
-@@ -1988,26 +1988,14 @@
-     CPU_ARCH=`uname -p`
-     MDCPUCFG_H=_solaris.cfg
-     PR_MD_CSRCS=solaris.c
--    LD=/usr/ccs/bin/ld
-     MKSHLIB='$(CC) $(DSO_LDOPTS) -o $@'
-     RESOLVE_LINK_SYMBOLS=1
--    case "${OS_RELEASE}" in
--    5.8|5.9)
--        ;;
--    *)
--        # It is safe to use the -Bdirect linker flag on Solaris 10 or later.
--        USE_B_DIRECT=1
--        ;;
--    esac
-     if test -n "$GNU_CC"; then
-         DSO_CFLAGS=-fPIC
-         if `$CC -print-prog-name=ld` -v 2>&1 | grep -c GNU >/dev/null; then
-             GCC_USE_GNU_LD=1
-         fi
--        DSO_LDOPTS='-shared -Wl,-h,$(notdir $@),-z,combreloc,-z,defs,-z,ignore' 
--        if test -n "$USE_B_DIRECT"; then
--            DSO_LDOPTS="$DSO_LDOPTS,-Bdirect"
--        fi
-+		DSO_LDOPTS='-shared -Wl,-soname -Wl,$(notdir $@)'
-     else
-         DSO_CFLAGS=-KPIC
-         DSO_LDOPTS='-G -h $(notdir $@) -z combreloc -z defs -z ignore'

sdk_container/src/third_party/portage-stable/dev-libs/nspr/files/nspr-4.23-prtime.patch

@@ -1,26 +0,0 @@
---- a/pr/src/misc/prtime.c
-+++ b/pr/src/misc/prtime.c
-@@ -1621,7 +1621,7 @@
-             case TT_EET: zone_offset =  2 * 60; break;
-             case TT_JST: zone_offset =  9 * 60; break;
-             default:
--                PR_ASSERT (0);
-+                return PR_FAILURE;
-                 break;
-         }
-     }
-@@ -1677,11 +1677,12 @@
-         struct tm localTime;
-         time_t secs;
- 
--        PR_ASSERT(result->tm_month > -1 &&
-+        if (!(result->tm_month > -1 &&
-                   result->tm_mday > 0 &&
-                   result->tm_hour > -1 &&
-                   result->tm_min > -1 &&
--                  result->tm_sec > -1);
-+                  result->tm_sec > -1))
-+                 return PR_FAILURE;
- 
-         /*
-          * To obtain time_t from a tm structure representing the local