Don't use the hard-coded name libmpi.so -- instead, use

libmpi.<OPAL_DYN_LIB_SUFFIX>, where OPAL_DYN_LIB_SUFFIX was determined
by configure.

Thanks to Ömer Demirel for reporting the issue.

Refs trac:3905.

This commit was SVN r29676.

The following Trac tickets were found above:
  Ticket 3905 --> https://svn.open-mpi.org/trac/ompi/ticket/3905

ompi/mpi/java/c/Makefile.am

@@ -12,7 +12,7 @@
 if OMPI_WANT_JAVA_BINDINGS
 
 # Get the include files that were generated from the .java source files
-AM_CPPFLAGS = -I$(top_builddir)/ompi/mpi/java/java $(OPAL_JDK_CPPFLAGS)
+AM_CPPFLAGS = -I$(top_builddir)/ompi/mpi/java/java $(OPAL_JDK_CPPFLAGS) -DOPAL_DYN_LIB_SUFFIX=\"$(OPAL_DYN_LIB_SUFFIX)\"
 
 headers = \
         mpiJava.h

ompi/mpi/java/c/mpi_MPI.c

@@ -89,7 +89,8 @@ static void *mpilibhandle=NULL;
  */
 JNIEXPORT jboolean JNICALL Java_mpi_MPI_loadGlobalLibraries(JNIEnv *env, jclass obj)
 {
-    if (NULL == (mpilibhandle = dlopen("libmpi.so", RTLD_NOW | RTLD_GLOBAL))) {
+    if (NULL == (mpilibhandle = dlopen("libmpi." OPAL_DYN_LIB_SUFFIX,
+                                       RTLD_NOW | RTLD_GLOBAL))) {
         return JNI_FALSE;
     }
     return JNI_TRUE;