Adjust to ObjFW changes

FossilOrigin-Name: b80a03bd2fd4ff11dc0d9c7ce330695ebc060f78034b9ade2d7eb53d88c7bb80

src/exceptions/PGCommandFailedException.h

@@ -5,13 +5,10 @@
 	OFString *_command;
 }
 
-#ifdef OF_HAVE_PROPERTIES
-@property (readonly, copy, nonatomic) OFString *command;
-#endif
+@property (readonly, copy) OFString *command;
 
 + (instancetype)exceptionWithConnection: (PGConnection*)connection
 				command: (OFString*)command;
 - initWithConnection: (PGConnection*)connection
 	     command: (OFString*)command;
-- (OFString*)command;
 @end

src/exceptions/PGCommandFailedException.m

@@ -1,6 +1,8 @@
 #import "PGCommandFailedException.h"
 
 @implementation PGCommandFailedException
+@synthesize command = _command;
+
 + (instancetype)exceptionWithConnection: (PGConnection*)connection
 				command: (OFString*)command
 {
@@ -35,9 +37,4 @@
 	return [OFString stringWithFormat: @"A PostgreSQL command failed: %@\n"
 					   @"Command: %@", _error, _command];
 }
-
-- (OFString*)command
-{
-	OF_GETTER(_command, NO)
-}
 @end

src/exceptions/PGException.h

@@ -8,11 +8,8 @@
 	OFString *_error;
 }
 
-#ifdef OF_HAVE_PROPERTIES
-@property (readonly, retain, nonatomic) PGConnection *connection;
-#endif
+@property (readonly, retain) PGConnection *connection;
 
 + (instancetype)exceptionWithConnection: (PGConnection*)connection;
 - initWithConnection: (PGConnection*)connection;
-- (PGConnection*)connection;
 @end

src/exceptions/PGException.m

@@ -1,6 +1,8 @@
 #import "PGException.h"
 
 @implementation PGException
+@synthesize connection = _connection;
+
 + (instancetype)exceptionWithConnection: (PGConnection*)connection
 {
 	return [[[self alloc] initWithConnection: connection] autorelease];
@@ -36,9 +38,4 @@
 	return [OFString stringWithFormat: @"A PostgreSQL operation failed: %@",
 					   _error];
 }
-
-- (PGConnection*)connection
-{
-	OF_GETTER(_connection, NO)
-}
 @end