Fix literal integer types for atomics tests (#1059)

* Fix literal integer types for atomics tests

* [NFC] Format previous changes
diff --git a/test_conformance/atomics/test_atomics.cpp b/test_conformance/atomics/test_atomics.cpp
index 5f4c094..34b34ed 100644
--- a/test_conformance/atomics/test_atomics.cpp
+++ b/test_conformance/atomics/test_atomics.cpp
@@ -1004,8 +1004,7 @@
     // Last item doesn't get and'ed on every bit, so we have to mask away
     size_t numBits = (size_t)size - whichResult * 64;
     cl_long bits = (cl_long)0xffffffffffffffffLL;
-    for( size_t i = 0; i < numBits; i++ )
-        bits &= ~( 1 << i );
+    for (size_t i = 0; i < numBits; i++) bits &= ~(1LL << i);
 
     return bits;
 }
@@ -1086,18 +1085,16 @@
 #pragma mark ---- xor
 
 const char atom_xor_core[] =
-"    size_t numBits = sizeof( destMemory[0] ) * 8;\n"
-"    int  bitIndex = tid & ( numBits - 1 );\n"
-"\n"
-"    oldValues[tid] = atom_xor( &destMemory[0], 1 << bitIndex );\n"
-;
+    "    size_t numBits = sizeof( destMemory[0] ) * 8;\n"
+    "    int  bitIndex = tid & ( numBits - 1 );\n"
+    "\n"
+    "    oldValues[tid] = atom_xor( &destMemory[0], 1L << bitIndex );\n";
 
 const char atomic_xor_core[] =
-"    size_t numBits = sizeof( destMemory[0] ) * 8;\n"
-"    int  bitIndex = tid & ( numBits - 1 );\n"
-"\n"
-"    oldValues[tid] = atomic_xor( &destMemory[0], 1 << bitIndex );\n"
-;
+    "    size_t numBits = sizeof( destMemory[0] ) * 8;\n"
+    "    int  bitIndex = tid & ( numBits - 1 );\n"
+    "\n"
+    "    oldValues[tid] = atomic_xor( &destMemory[0], 1L << bitIndex );\n";
 
 cl_int test_atomic_xor_result_int( size_t size, cl_int *startRefValues, size_t whichResult )
 {