Bug 162930: fixed the bug that PR_GetSystemInfo always returns "sparc"

as PR_SI_ARCHITECTURE on Solaris, even though Solaris also runs on x86.
Thanks to Sonja Mirtitsch <sonja.mirtitsch@sun.com> for the fix.

nsprpub/pr/include/md/_solaris.h

@@ -41,7 +41,13 @@
 
 #define PR_LINKER_ARCH	"solaris"
 #define _PR_SI_SYSNAME	"SOLARIS"
+#ifdef sparc
 #define _PR_SI_ARCHITECTURE	"sparc"
+#elif defined(i386)
+#define _PR_SI_ARCHITECTURE	"x86"
+#else
+#error unknown processor
+#endif
 #define PR_DLL_SUFFIX		".so"
 
 #define _PR_VMBASE		0x30000000