Fix copy&paste error in the definition of ARCH_RUN_32BIT for a 3-way universal

build (all other definition where correct).

configure

 #! /bin/sh
-# From configure.in Revision: 77587 .
+# From configure.in Revision: 77588 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 2.7.
 #
@@ -4824,7 +4824,7 @@ echo "${ECHO_T}\"'-extract ppc7400'\"" >&6; }
 	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
 		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
 		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
-		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc7400"
+		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
 
 		 else
 	           { { echo "$as_me:$LINENO: error: proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" >&5

configure.in

@@ -1063,7 +1063,7 @@ EOF
 	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
 		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
 		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
-		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc7400"
+		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
 
 		 else
 	           AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way])