CLEANUP: 51d: Aligned if statements with HAProxy best practices and removed casts from malloc.

Changes to if statements do not affect code operation, just layout of
the code. Type casts from malloc returns have been removed as this cast
happens automatically from the void* type.

This may be backported to 1.6.
diff --git a/src/51d.c b/src/51d.c
index 0a70d7a..212d9b8 100644
--- a/src/51d.c
+++ b/src/51d.c
@@ -329,9 +329,9 @@
 			}
 		}
 #endif
-		if (!found) {
+		if (!found)
 			chunk_appendf(temp, "%s", no_data);
-		}
+
 		/* Add separator. */
 		chunk_appendf(temp, "%c", global._51degrees.property_separator);
 		++i;
@@ -408,9 +408,8 @@
 
 #ifdef FIFTYONEDEGREES_H_PATTERN_INCLUDED
 	fiftyoneDegreesWorksetPoolRelease(global._51degrees.pool, ws);
-	if (lru) {
+	if (lru)
 		_51d_insert_cache_entry(smp, lru, (void*)args);
-	}
 #endif
 
 	return 1;
@@ -465,9 +464,8 @@
 
 #ifdef FIFTYONEDEGREES_H_PATTERN_INCLUDED
 	fiftyoneDegreesWorksetPoolRelease(global._51degrees.pool, ws);
-	if (lru) {
+	if (lru)
 		_51d_insert_cache_entry(smp, lru, (void*)args);
-	}
 #endif
 
 	return 1;
@@ -480,7 +478,7 @@
 	const fiftyoneDegreesAsciiString *headerName;
 	fiftyoneDegreesDataSet *ds = &global._51degrees.data_set;
 	global._51degrees.header_count = ds->httpHeadersCount;
-	global._51degrees.header_names = (struct chunk*)malloc(global._51degrees.header_count * sizeof(struct chunk));
+	global._51degrees.header_names = malloc(global._51degrees.header_count * sizeof(struct chunk));
 	for (index = 0; index < global._51degrees.header_count; index++) {
 		headerName = fiftyoneDegreesGetString(ds, ds->httpHeaders[index].headerNameOffset);
 		(global._51degrees.header_names + index)->str = (char*)&headerName->firstByte;
@@ -497,8 +495,8 @@
 	global._51degrees.header_count = fiftyoneDegreesGetHttpHeaderCount();
 	global._51degrees.device_offsets.firstOffset = (fiftyoneDegreesDeviceOffset*)malloc(
 		global._51degrees.header_count * sizeof(fiftyoneDegreesDeviceOffset));
-	global._51degrees.header_names = (struct chunk*)malloc(global._51degrees.header_count * sizeof(struct chunk));
-	global._51degrees.header_offsets = (int32_t*)malloc(global._51degrees.header_count * sizeof(int32_t));
+	global._51degrees.header_names = malloc(global._51degrees.header_count * sizeof(struct chunk));
+	global._51degrees.header_offsets = malloc(global._51degrees.header_count * sizeof(int32_t));
 	for (index = 0; index < global._51degrees.header_count; index++) {
 		global._51degrees.header_offsets[index] = fiftyoneDegreesGetHttpHeaderNameOffset(index);
 		global._51degrees.header_names[index].str = (char*)fiftyoneDegreesGetHttpHeaderNamePointer(index);