src/java.base/share/classes/java/nio/Heap-X-Buffer.java.template

rev 11895 : 8079459: JCK test api/java_nio/ByteBuffer/index.html#GetPutXXX start failing after JDK-8026049
Description: nextPutIndex used where nextGetIndex is correct.
Reviewed-by: alanb

*** 475,485 ****
      // float
  
  #if[rw]
  
      public float getFloat() {
!         int x = unsafe.getIntUnaligned(hb, byteOffset(nextPutIndex(4)), bigEndian);
          return Float.intBitsToFloat(x);
      }
  
      public float getFloat(int i) {
          int x = unsafe.getIntUnaligned(hb, byteOffset(checkIndex(i, 4)), bigEndian);
--- 475,485 ----
      // float
  
  #if[rw]
  
      public float getFloat() {
!         int x = unsafe.getIntUnaligned(hb, byteOffset(nextGetIndex(4)), bigEndian);
          return Float.intBitsToFloat(x);
      }
  
      public float getFloat(int i) {
          int x = unsafe.getIntUnaligned(hb, byteOffset(checkIndex(i, 4)), bigEndian);