OSHMEM: fixes typo in c11 generic

(cherry picked from commit dd2405a)

Author: alex-mikheev

oshmem/include/pshmem.h

@@ -114,7 +114,7 @@ OSHMEM_DECLSPEC  void pshmem_longdouble_p(long double* addr, long double value,
             long long*:   pshmem_longlong_p,                  \
             float*:       pshmem_float_p,                     \
             double*:      pshmem_double_p,                    \
-            long double*: shmem_longdouble_p)(dst, val, pe)
+            long double*: pshmem_longdouble_p)(dst, val, pe)
 #endif
 
 /*