added ebuilds for ptlib and latest opal

dev-libs/ptlib/files/ptlib-asm.patch

@@ -0,0 +1,15 @@
+--- src/ptlib/common/jidctflt.cxx.orig	2008-09-24 09:13:06.000000000 -0400
++++ src/ptlib/common/jidctflt.cxx	2008-09-24 09:11:49.000000000 -0400
+@@ -110,10 +110,10 @@
+       "\tsar %2,%1\n"
+       "\tsub $-128,%1\n"
+       "\tcmovl %5,%1\n"	/* Use the sub to compare to 0 */
+-      "\tcmpl %4,%1\n" 
++      "\tcmp %4,%1\n" 
+       "\tcmovg %4,%1\n"
+       : "=r"(x) 
+-      : "0"(x), "Ir"(shift), "ir"(1UL<<(shift-1)), "r" (0xff), "r" (0)
++      : "0"((unsigned long)x), "c"((char)shift), "ir"(1UL<<(shift-1)), "r" (0xffUL), "r" (0UL)
+       );
+   return x;
+ }