update offsets for patches so they cleanly apply

fdupes-1.51-obey-ldflags.patch

@@ -24,7 +24,7 @@ diff --git a/Makefile b/Makefile
 index 921d910..e6947ea 100644
 --- a/Makefile
 +++ b/Makefile
-@@ -100,7 +100,7 @@ OBJECT_FILES = fdupes.o md5/md5.o $(ADDITIONAL_OBJECTS)
+@@ -102,7 +102,7 @@ OBJECT_FILES = fdupes.o md5/md5.o $(ADDITIONAL_OBJECTS)
  all: fdupes
  
  fdupes: $(OBJECT_FILES)

fdupes-1.51-typo.patch

@@ -14,7 +14,7 @@ diff --git a/fdupes.1 b/fdupes.1
 index c0a02f0..71da2c4 100644
 --- a/fdupes.1
 +++ b/fdupes.1
-@@ -84,7 +84,7 @@ If fdupes returns with an error message such as
+@@ -87,7 +87,7 @@ If fdupes returns with an error message such as
  .B fdupes: error invoking md5sum
  it means the program has been compiled to use an external
  program to calculate MD5 signatures (otherwise, fdupes uses